Which of these statements is correct? Select one: O corporate bonds are risk free a corporate bond will lose value when the default risk of the issuer increases credit ratings agencies like Standard and Poor's guarantee the quality of bonds that they rate ratings by credit agencies won't change through the term of a bond Nominal cash flows are: Select one: O cash flows before tax O only rough estimates of cash flows forecast cash flows that have been increased for the effects of inflation forecast cash flows that have had the effects of inflation removed