Today is Elsirs birthday and since he lost all his savings betting on risky derivatives, he would like us to buy him an annuity as a birthday present. He would like to receive $100 per month for the next 5 years. He would like to receive the first payment today. If interest rates are 7% EAR, how much will it cost us to buy this for him? Select one: a. $5104.87 b. $5076.17 c. $5000.00 d. $5243.62 e. None of the above.