Hanna Inc. has a proprietary bond-rating model and has determined the required return on the following Amerco bond is 9.6%. Assume the bond is being evaluated in the current month of 2018 and matures in the current month of the year indicated. Based on this information, calculate the amount the bond is over- or under-priced. Bond Coupon (%) Maturity. Last Price % of par) Amerco 15.00 2023 105.25 Under-priced by $52.50 Under-priced by $158.03 Over-priced by $52.50 Under-priced by $210.53 Over-priced by $210.53 Over-priced by $158.03