Daphne invests 85,800 in a savings account at the beginning of each of the next fifteen years. If his opportunity cost rate is 6 percent compounded annually, how much will her investment be worth after the last annuity payment is made? Use the equation method to calculate the worth of the investment. (Round your answer to two decimal places.) O a $130,611.05 b. 5139.256.52 c. $143,100.66 d. $149,845.46 Jake is considering investing $15,000 in an investment that will have a maturity value of $28,000 in 7 years. If the interest was compounded monthly, what is the annual rate of return earned on the investment? a. 9.33% b. 9.45 C. 10.25% d. 10.80 Sameer has saved $84.500 over the years and she has the option of investing it in either of the following two investment plans Investment offers 14 percent interest compounded monthly, whereas Investment B pays 16 percent interest compounded semiannually. What would be the difference between the interests earned on the two investments if Sameer's investment horizon is five years? (Round your answer to two decimal places.) a $10,865.52 b. $11,725-32 c. $12.955.13 d. $13,528 25