program 20, output 2...annuity how much munee du yu hafta put up tu get x $/month? krats kall this "net present value (NPV)"
Immediate Annuity giv yu x $/month for life. Yu gotta put up x$ & paements start 1 month later. Or yu kan take munee outta yer save akkount such as IRA. $ yu get is part interest & part eet up yer munee. How much yu get depend on % intertest & how long yu liv. This yuze IRS life expekt tabel. input kan hav kommas, $, %, *... big: k=1000, m=10^6, b=10^9 waet...browser reed skript stuff