3. (25 pts.) An investment is to be evaluated economically. The initial cost of the investment is 100.000TL, and a salvage values at the end of its 5 years life is 10.000 TL. During its operation a savings of 40.000 TL is expected for every 6 months, and running cost of 5.000 TL is expected every month. Considering a 20% interest rate compounded annually and no inflation what is the net present worth of this investment at the end of 5 years