Answer:
$4,303.68
Explanation:
Quarterly payment = $10,000 / 32.835 (PVIFA, 1%, 40 periods) = $304.55
After 6 years, the principal due = $4,483
Present value of an annuity = payment x PVIFA = $304.55 x 14.13126 (PVIFA, 1.5%, 16 periods) = $4,303.68
The difference is not significant since the remaining payments are not many, and the increase in quarterly rate is only 0.5%