2. Let Y be the present value variable for a 4-year certain and life continuous annuity issued on (40). The force of mortality is constant and equal to 4% and the force of interest is 6%. (a) Find the distribution of Y. (b) Find the the expected value and variance of Y. 2. Let Y be the present value variable for a 4-year certain and life continuous annuity issued on (40). The force of mortality is constant and equal to 4% and the force of interest is 6%. (a) Find the distribution of Y. (b) Find the the expected value and variance of Y