solve please

f. An initial investment of Php 10,000 on plant and machinery is expected to generate cash inflows of Php 2,500; Php 3,400;Php 2,200; Php 5,200 and Php 1,100 at the end of first, second, third, fourth, and fifth year respectively. Calculate the net present value of the investment if the discount rate is 10%. g. An initial investment of Php 50,000 on plant and machinery with salvage value of Php 13,000.00 is expected to generate cash inflows of Php12,500; Php 23,400; Php 12,200;Php 25,200 and Php 1,100 at the end of first, second, third, fourth, and fifth year respectively. Calculate the net present value of the investment if the discount rate is 10%