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Question 1 (20 points) Consider an economy where individuals live for three periods: youth, middle age, and old age. The young are endowed with 3; units of the consumption good, but the endowment is zero when middle-aged and old. Aside from consuming their endowment, they can sell it in exchange for at money. They also have the option to invest in capital, which produces output only after two periods and then delivers a net real rate of return X 1 = 10.25%. Each period, the number of young people born increases by a factor n = 1.02, and the money stock increases at a rate 2 = 1.2. (a) (5 points) Calculate the net rate of return to at money over one and two periods. (b) (5 points) Calculate the gross ination rate over one and two periods. (c) (5 points) Suppose the banking sector consists of competitive banks that make zero prots from costless intermediation. Calculate the gross and net real rate of interest that these banks offer on oneperiod deposits. What is the corresponding net nominal interest rate? (d) (5 points) Determine whether individuals will choose at money or deposits with private banks to nance consumption in middle age. Explain