To calculate the risk premium on a corporate bond, you need to find its YTM and then: Select one: a. add the YTM of a government bond with a similar coupon rate and maturity. b. subtract the YTM of another corporate bond from a similar company with the same risk. c. subtract the YTM of a government bond with a similar coupon rate and maturity. d. subtract the YTM of another corporate bond from a similar company with the same coupon rate and maturity. e. add the YTM of another corporate bond from a similar company with the same coupon rate and maturity