Referring to Problem 4A.19, assume that Nabil has made 10 payments. What is the balance of his loan?

Data from Problem 4A.19

Nabil Stafanous purchased a truck for his construction company. The cost of the truck was $25,000. He borrowed 80% of the cost, to be repaid in equal quarterly installments over three years at an annual interest of 8%. Calculate Nabil’s quarterly payment to the bank.