A loan of R165000, granted at 13,2% p.a. compounded monthly, is to be mortised by regular equal monthly payments of R2500 starting one month
after the loan is granted and a final payment F (F payments are missed, equal additional amounts are added to each of the remaining payments in order to compensate for the missed payments and
mortise the loan in the same time period. If regular payment resumes thirty-seven months after the loan is granted, then the equal additional
amounts (to the nearest cent)
are equal to R