... 7, 48 155, 46 30 44 10 42 00%)61(*00028332)1(*% )4( 7, 48 15)1(5, 46 30)1( 44 101 42 00%)61(*000.28enenenenen+−++++++=− k1= 20% 7 48 155 46 30 44 10 42 00 Ỉ 16, 340 2,1*% )4% 20(7, 48 152,15, 46 302,1 44 102,1 42 00%)61(000.283321=−++++−−=NPV ... 973 84 t đ100* 84 ,973%E En = 28.000(1-6%)*37.000 = 973, 84 trđ ; 100*,%VEn = 7, 48 155, 46 30 44 10 42 00%)61(*00028332)1(*% )4( 7, 48 15)1(5, 46 30)1( 44 101 42 00%)61(*000.28enenenenen+−++++++=− ... =21% Ỉ 16,123221,1*% )4% 21(7 ,48 1521,15 ,46 3021,1 44 1021,1 42 00%)61(000.283322−=−++++−−=NPV %2120%)20%21(*16, 340 %20=−+=en %21,2016,123216, 340 %20=−++=en V....