Answer:
outstanding balance: $5000-800=$4200 to be paid monthly in equal instalments on the basis of simple interest, at 5% per month, in 4 months' time.
cash payment: $800 remainder in 4 months, interest rate = 5%
interest is calculated: 4200*0.05*4=$840
amount to be paid with interest: $5040
monthly payment due:(4200+840)/4=$1260
Explanation: