Hi, thank you for posting your question here at Brainly.
First, convert the rate to monthly interest rate for uniformity of units.
0.07 = (1+(r/12))^12 -1
r = 0.0678 per year compounded monthly*(1 year/12 months)
i = 0.00565
Then,
20,000 = A[(1-((1+0.00565)^-36))/0.00565)
A = $615/month
