Page 44 - Lucero2.

20000 /(1+0.1)^3 15026.29602
20000 /(1+0.1)^4 13660.26911
20000 /(1+0.1)^5 12418.42646
30000 /(1+0.1)^6 16934.2179
40000 /(1+0.1)^7 20526.32473
50000 /(1+0.1)^8 23325.36901
total= 172138.8371
(-) 130000
42138.83711

TIR

Promedio 32500
PR 4

18% 19%
50000 0.8475 42375 50000 0.8403 42015
30000 0.7182 21546 30000 0.7062 21186
20000 0.6086 12172 20000 0.5934 11868
20000 0.5158 10316 20000 0.4987 9974
20000 0.4371 8742 20000 0.419 8380
30000 0.3704 11112 30000 0.3521 10563
40000 0.3139 12556 40000 0.2959 11836
50000 0.266 13300 50000 0.2487 12435
TOTAL 132119 TOTAL 128257
(-) 130000 (-) 130000
= 2119 -1743.000

TIR= 18 2119
18.54867944
1743 2119