Suppose an annual effective rate of interest of 6%. 1. Calculate the present value of a 13-year annuity with payments at the beginning of each quarter and a payment rate of $800 per year. 2. Calculate the present value of a 13-year annuity with payments at the end of each month and a payment rate of $800 pe year. Find the present value of a dividend paying stock using an annual effective rate of interest of 8%. Assume the stock pays annual dividends in perpetuity. 1. Assume annual dividends of $10 with the next dividend due in 1 year. 2. Assume the first dividend is $10 and is due in 1 year and each subsequent dividend is 5% larger