Assuming a 1-year, money market account investment at 4.67 percent (APY), a 3.77% inflation rate, a 15 percent marginal tax bracket, and a constant $50,000 balance, calculate the after-tax rate of return, the real return, and the total monetary return. What are the implications of this result for cash management decisions? Assuming a 1-year, money market account investment at 4.67 percent (APY), a 15 percent marginal tax bracket, and a constant $50,000 balance the after-tax rate of return is % (Round to two decimal places.)