A Loan of $15,000 Was Repaid as Follows: $8000 in 4

Multiple Choice

A loan of $15,000 was repaid as follows: $8000 in 4 months,$150 in 6 months and a payment of $X in 9 months which will fully pay off the loan.If the rate of simple interest on the loan is 10%,what is the value of X according to the Merchant's rule?

A) $7637.92
B) $7641.67
C) $7661.88
D) $7700.83