... 16 ,3402 ,1* %)4%20(7,4 815 2 ,1 5,46302 ,1 4 410 2 ,1 4200%) 61( 000.28332 1 =−++++−−=NPV k2 = 21% Ỉ 16 ,12 32 21, 1*%)4% 21( 7,4 815 21, 15,4630 21, 14 410 21, 14200%) 61( 000.283322−=−++++−−=NPV % 21 20%)20% 21( *16 ,340%20=−+=en % 21 ,20 16 ,12 3 216 ,340%20=−++=en ... 10 0*%22VDnn= %43, 11 1552=−=nd,%) 31( 32−n Ỉ d2nt = 11 ,43%* ( 1- 28%) = 8,23%/năm ()%238 1 *%23855+⎤⎡()()() 13 1 .11 5 1% 23, 81 %23,8 1 *%23,8*%) 31( 3%23, 81 5*5=−++⎥⎦⎤⎢⎣⎡−−+=ntPAđ/tp ... 15 ,1 2,0 15 ,1 2,06,252 1 =+++++−=NPV 4202020+ k 1 = 16 % Ỉ 04079,0 16 ,1 42,0 16 ,1 2,0 16 ,1 2,06,2522−=+++++−=NPV%59 15 %) 15 %16 (059,0% 15 '−+d...