KOMPOUND INTEREST:... start=5,255$, end=5,496.26$, raesheo=5496.26/5255=1.045910561.... kompound 4 times/yeer or evree 3 months... time=27months=9 periods... tu get the % interest... raesheo=(1+effktiv %)^9=1.045910561... log[1+x%)^9]=log(1.045910561)... 9*log(1+x%)=log(1.045910561)... log(1+x%)=log(1.045910561)/9=0.019494548/9=0.002166060936... (1+x%)=10^0.002166060936=1.00499999999 but hav 4 periods per yeer, so %=4*.00499999999 or bout 4*.005=0.02... anser=2%