Answer:
B) $573.12
Explanation:
Since, the payment per period of a loan is,

Where, P.V. is the principal amount,
r is the rate per period,
n is the number of periods,
Here, P.V. = $ 70,000,
Time = 25 years
Since, the payment is paid monthly,
And, 1 year = 12 months,
So, the number of periods, n = 12 × 25 = 300,
Also, the rate per year = 8.7 % = 0.087
So, the rate per month,

Hence, the monthly payment is,


Option B is correct.