Phillip took out a subsidized student loan of $25,000 at a 2.4% APR, compounded monthly, to pay for his last four semesters of college. If he will begin paying off the loan in 21 months with monthly payments lasting for 20 years, what will be the amount of his monthly payment?
A. $136.56
B. $131.26
C.$130.95
D. $136.89
