Calculato the nferetax retum of ain) 7.26 percent, 20-yeac, A-rated corporate bond for an investor in the 10 percent marginal tax bracket Compare this yield to a(n) 6.48 percent, 20 -year, A-rated, taxcexempt municlaal bond, and oxplain which atematve is better. Repeat the calculations and comparison for an investor in the 35 percent marginal tax bracket. Assuming a 1 yeat, meney market account imvestment at 1.54 percent (APY), a 0.29 percent inflaton rate, a 28 percent marginal tax bracket, and a constant $70,000 balance, calculate the affer-tar trate of totum, the real rate of return, and the total monetary roturn. What are the implications of this result for cash managomont decisions? Assuming a 1yex, maney manket ascount investment at 1.54% (APY), a 28\% marginal tax bracket, and a constant $70,000 balance, the afteritax rate of return is 15. (Round to two decintal places.)