Table 9 Economic index of the newly...

Table 9

Economic index of the newly constructed ship plan at different discount rates

Different discount rate	8%	9%	10%	11%	12%
NPV (10 thousand yuan)	15,891	11,986	8,650	5,778	3,289
NAV (10 thousand yuan)	1,371	1,140	900	654	403
IRR	13.57%
Total investment (10 thousand yuan)	25,219
ROI	11.61%