A heat exchanger is needed in a chemical process. If interest is 9% compounded annually, determine which of the following heat exchangers is cheaper by comparing the capitalized costs: Exchanger A costs P22,000 with a scrap value of P1,000 and a useful life of 7 years; Exchanger B costs P28,000 with a scrap value of P1,500 and a useful life of 10 years. Capitalized cost of Exchanger A: Php Capitalized cost of Exchanger B: Php