Task #2: Complete the model template tab projection Determine the Life Insurance Premium Required if Sarah Paul chose the $50,000 at benet plan. 2. Using a spreadsheet, calculate the mean and variance of the present value of, (a) an arithmetically increasing term annuity-due payable to a life aged 50 for at most 10 years under which the payment at time t is t + 1 for t = 0; 1;:::; 9, and (b) a geometrically increasing term annuity-due payable to a life aged 50 for at most 10 years under which the payment at time t is 1:03t for t = 0; 1;:::; 9