Answer:
Firstly, the question doesn't say anything about the frequency of coupon payment. Using trial and error method, based on the answer, I figured out that it pays semi-annual coupon payments.
Value of the bond = PV(rate = 7.5%/2, nper = 8*2, pmt = 91.25/2, fv = 1000, 0) = $1,096.45
Current Price = $1,172.50
Over valued by $76.05
Explanation: