Boomer Co. offers a financial security that pays $200 annually for 5 years and the market rate is 5%. a. How much is that security worth to you today? b. How much is the security worth if the market rate is 5% for the first three years, then decreases to 3% for the final two years of payments? c. How much is the security worth if the $200 payment grows by 4% every year?