Respuesta :
Answer:
a.An annuity that pays $500 at the beginning of every six months
Explanation:
Annuities 1 to 4 gave the following Present values of which the first is the highest. See attached for calculations
PV
6,794.52
6,144.19
6,294.52
6,758.65
Year 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 PV
Annuity 1 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500
DCF @ 10% 1 0.953462589 0.909090909 0.866784172 0.826446281 0.787985611 0.751314801 0.716350555 0.683013455 0.651227778 0.620921323 0.592025252 0.56447393 0.538204775 0.513158118 0.489277068 0.46650738 0.444797335 0.424097618 0.404361213 0.385543289
PV 500 476.7312946 454.5454545 433.392086 413.2231405 393.9928055 375.6574005 358.1752777 341.5067277 325.6138888 310.4606615 296.0126262 282.236965 269.1023875 256.5790591 244.6385341 233.2536901 222.3986673 212.0488092 202.1806067 192.7716447 6,794.52
Annuity 2 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000
DCF 0.909090909 0.8264 0.751 0.683 0.620921323 0.56447393 0.513158118 0.46650738 0.424097618 0.385543289
PV 909.0909091 826.4 751 683 620.9213231 564.4739301 513.1581182 466.5073802 424.0976184 385.5432894 6,144.19
Annuity 3 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500
DCF 0.953462589 0.909090909 0.866784172 0.826446281 0.787985611 0.751314801 0.716350555 0.683013455 0.651227778 0.620921323 0.592025252 0.56447393 0.538204775 0.513158118 0.489277068 0.46650738 0.444797335 0.424097618 0.404361213 0.385543289
PV 476.7312946 454.5454545 433.392086 413.2231405 393.9928055 375.6574005 358.1752777 341.5067277 325.6138888 310.4606615 296.0126262 282.236965 269.1023875 256.5790591 244.6385341 233.2536901 222.3986673 212.0488092 202.1806067 192.7716447 6,294.52
Annuity 4 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000
DCF 1 0.909090909 0.8264 0.751 0.683 0.620921323 0.56447393 0.513158118 0.46650738 0.424097618
PV 1000 909.0909091 826.4 751 683 620.9213231 564.4739301 513.1581182 466.5073802 424.0976184 6,758.65