Table 6 Economic index of 5-year-old...

Table 6

Economic index of 5-year-old secondhand ships at different discount rates

Different discount rates	8%	9%	10%	11%	12%
NPV (10 thousand yuan)	18,774	15,441	12,542	10,007	7,777
NAV (10 thousand yuan)	1,699	1,526	1,348	1,163	974
IRR	16.86%
Total investment (10 thousand yuan)	22,817
ROI	12.34%