An amount of P100,00 is borrowed at 16% pa compounded quarterly. A partial payment of P40,000 is made after one year, P20,000, on the 18th month and the balance on the 2nd year. The remaining amount to be paid on the 2nd year as full payment is____.

Present cash flow.

a. P68,431 b. P65,799 c. P68,431 d. P632,268 e. P60,835