Considering discount rate of 12%, calculate NPV, Benefit Cost Ratio, and Present Value Ratio for the following investment and explain if it is a good investment.

C=10,000 C=8,000 C=6,000 I=7,500 I=7,500 ... I=7,500 L=10,000

0 1 2 3 4 ... 10

C: Cost, I:Income, L: Salvage value