Billy Thornton Borrowed $20, 000 at a Rate of 7

Billy Thornton borrowed $20, 000 at a rate of 7.25%, simple interest, with interest paid at the end of each month.The bank uses a 360-day year.How much interest would Billy have to pay in a 30-day month?

A) $120.83
B) $126.88
C) $133.22
D) $139.88
E) $146.87