Last year, which is used as the base year, a firm had cash of P46, accounts receivable of P132, inventory of P319, and net fixed assets of P640. This year, the firm has cash of P52, accounts receivable of P147, inventory of P312, and net fixed assets of P576. What is the common-base year value of accounts receivable?

a. 1.11

b. 0.90

c. 1.13

d. 0.88