??????????????? problem ???????????
if yukan get 6% on NE bank, yu must hav sekret inside soers (krook)
500,000$ at 6%, 5 yeers, kompound bi quarter
% interest=6/4=1.5%...become 1.015
quarter kompount * 5 yeers=20 steps
a=500,000*(1.015)^20
1.015^20=1.346855007
yer pile-o-do become 500,000*1.346855007=673,427.50$