Payment = [rate * PV] / [1 - (1 + r)-n]
So, given the above, but adjusting for the monthly payments, we get:
PMT = [(0.0795/12) * 26,500] / [1 - (1 + 0.0795/12)-60
PMT = [0.00662 * 26500] / [1 - (1.00662)-60]
PMT = $175.5625 / 0.37121 = $472.95
So, the monthly payments on her new sports car is: $472.95