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1. Joe will receive a 10-year annuity of 1000 per year, beginning at date 1. If the risk-free interest rate is 20 percent, what is the present value of his annuity? (Required) 2. Joe will receive a 30-year annuity of 1000 per year, beginning at date 1. If the risk-free interest rate is 4 percent, what is the present value of his annuity? (Required)