To save money for a sabbatical to earn a master's degree, Henry deposits $1900 at the end of each year in an annuity that pays 6.3% nt compounded annually. Use the formula for the value of an annuity, shown to the right P a. How much will he have saved at the end of four years? A = b. Find the interest. BI- a. How much money will be in the annuity four years later? s (Do not round until the final answer. Then round to the nearest dollar as needed.) b. How much interest will the annuity have gained? S (Do not round until the final answer. Then round to the nearest dollar as needed.)