某房地产投资项目每年的现金流量如下表所示，基准收益率为10%，该项目的表态投资回收期在（　）之间。<table style="BORDER-COLLAPSE: collapse; mso-yfti-tbllook: 1184; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt" border="0" cellspacing="0" cellpadding="0" _dj="MsoNormalTable"><tbody><tr style="HEIGHT: 15.25pt; mso-yfti-irow: 0; mso-yfti-firstrow: yes"><td style="BORDER-BOTTOM: black 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 53.5pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: black 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: windowtext .5pt; mso-border-left-alt: windowtext .5pt; mso-border-bottom-alt: black .75pt; mso-border-right-alt: black .75pt; mso-border-style-alt: solid" valign="top" width="71">年份</td><td style="BORDER-BOTTOM: black 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 38.8pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: black 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid black .75pt; mso-border-alt: solid black .75pt" valign="top" width="52">0</td><td style="BORDER-BOTTOM: black 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 33.95pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: black 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid black .75pt; mso-border-alt: solid black .75pt" valign="top" width="45">1</td><td style="BORDER-BOTTOM: black 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 38.8pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: black 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid black .75pt; mso-border-alt: solid black .75pt" valign="top" width="52">2</td><td style="BORDER-BOTTOM: black 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 35.3pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: black 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid black .75pt; mso-border-alt: solid black .75pt" valign="top" width="47">3</td><td style="BORDER-BOTTOM: black 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 40.1pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: black 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid black .75pt; mso-border-alt: solid black .75pt" valign="top" width="53">4</td><td style="BORDER-BOTTOM: black 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 40.1pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: black 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid black .75pt; mso-border-alt: solid black .75pt" valign="top" width="53">5</td><td style="BORDER-BOTTOM: black 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 40.1pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: windowtext 1pt solid; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: windowtext .5pt; mso-border-left-alt: black .75pt; mso-border-bottom-alt: black .75pt; mso-border-right-alt: windowtext .5pt; mso-border-style-alt: solid" valign="top" width="53">6</td></tr><tr style="HEIGHT: 15.25pt; mso-yfti-irow: 1"><td style="BORDER-BOTTOM: black 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 53.5pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: #000000; BORDER-RIGHT: black 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: solid black .75pt; mso-border-left-alt: solid windowtext .5pt; mso-border-alt: solid black .75pt" valign="top" width="71">现金流入</td><td style="BORDER-BOTTOM: black 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 38.8pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: #000000; BORDER-RIGHT: black 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-alt: solid black .75pt" valign="top" width="52"></td><td style="BORDER-BOTTOM: black 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 33.95pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: #000000; BORDER-RIGHT: black 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-alt: solid black .75pt" valign="top" width="45"></td><td style="BORDER-BOTTOM: black 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 38.8pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: #000000; BORDER-RIGHT: black 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-alt: solid black .75pt" valign="top" width="52">250</td><td style="BORDER-BOTTOM: black 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 35.3pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: #000000; BORDER-RIGHT: black 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-alt: solid black .75pt" valign="top" width="47">250</td><td style="BORDER-BOTTOM: black 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 40.1pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: #000000; BORDER-RIGHT: black 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-alt: solid black .75pt" valign="top" width="53">250</td><td style="BORDER-BOTTOM: black 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 40.1pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: #000000; BORDER-RIGHT: black 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-alt: solid black .75pt" valign="top" width="53">250</td><td style="BORDER-BOTTOM: black 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 40.1pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: #000000; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-right-alt: solid windowtext .5pt; mso-border-alt: solid black .75pt" valign="top" width="53">250</td></tr><tr style="HEIGHT: 15.25pt; mso-yfti-irow: 2; mso-yfti-lastrow: yes"><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: windowtext 1pt solid; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 53.5pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: #000000; BORDER-RIGHT: black 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: black .75pt; mso-border-left-alt: windowtext .5pt; mso-border-bottom-alt: windowtext .5pt; mso-border-right-alt: black .75pt; mso-border-style-alt: solid" valign="top" width="71">现金流出</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 38.8pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: #000000; BORDER-RIGHT: black 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-bottom-alt: solid windowtext .5pt; mso-border-alt: solid black .75pt" valign="top" width="52">500</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 33.95pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: #000000; BORDER-RIGHT: black 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-bottom-alt: solid windowtext .5pt; mso-border-alt: solid black .75pt" valign="top" width="45">50</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 38.8pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: #000000; BORDER-RIGHT: black 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-bottom-alt: solid windowtext .5pt; mso-border-alt: solid black .75pt" valign="top" width="52">30</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 35.3pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: #000000; BORDER-RIGHT: black 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-bottom-alt: solid windowtext .5pt; mso-border-alt: solid black .75pt" valign="top" width="47">30</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 40.1pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: #000000; BORDER-RIGHT: black 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-bottom-alt: solid windowtext .5pt; mso-border-alt: solid black .75pt" valign="top" width="53">30</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 40.1pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: #000000; BORDER-RIGHT: black 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: solid black .75pt; mso-border-left-alt: solid black .75pt; mso-border-bottom-alt: solid windowtext .5pt; mso-border-alt: solid black .75pt" valign="top" width="53">30</td><td style="BORDER-BOTTOM: windowtext 1pt solid; BORDER-LEFT: #000000; PADDING-BOTTOM: 0cm; BACKGROUND-COLOR: transparent; PADDING-LEFT: 5.4pt; WIDTH: 40.1pt; PADDING-RIGHT: 5.4pt; HEIGHT: 15.25pt; BORDER-TOP: #000000; BORDER-RIGHT: windowtext 1pt solid; PADDING-TOP: 0cm; mso-border-top-alt: black .75pt; mso-border-left-alt: black .75pt; mso-border-bottom-alt: windowtext .5pt; mso-border-right-alt: windowtext .5pt; mso-border-style-alt: solid" valign="top" width="53">30</td></tr></tbody></table>