which option is best?

Calculate the future value of $1,000 in a. 4 years at an interest rate of 10% per year. b. 8 years at an interest rate of 10% per year. e, 4 years interest rate of 20% per year d. Why is the amount of interest eamed in part () less than half the amount of interest earned in pan (by a. Calculate the future value of 1,000 in 4 years at an interest rate of 10% per year The ruture value of $1,000 in 4 years at an interest rate of 10% per year is 1464 (Round to the nearest dollar) b. Calculate the future value of $1,000 in 8 years at an interest rate of 10% per year The future value of $1,000 in 8 years at an interest rate of 10% per year is 2144 . Round to the nearest dollar.) e. Calculate the future value of $1 000 in 4 years at interest rate of 20% per year The ruure value of $1,000 in 4 years at an interest rate of 20% per year is $ 2074 (Round to the nearest dollar) d. Why is the amount of interest eamed in part (a) less than half the amount of interest earned in part (b)? Select the best choice below.) OA. This results because you earn more interest on past interest. As interest is eaned on the increasing amount of accumulsted interest, the money grows faster as time goes on The interest earned in part (a) is based on a lower effective nl interest rate The amount of interest eamed in part al is really half of the amount of interest earned in part bl srce n part b) the money grows for twice as many years as in part (a The annual interest rate in part (b) is sightly higher than the rate asumed in ana) This is because of oom pounding O B. C. D