$$(1+R_{o})^{n} = t^{j}$$ $$ \frac{j}{n} = \frac{\ln(1+R_{o})}{\ln(t)}$$ <svg width="640" height="480" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:se="http://svg-edit.googlecode.com" se:nonce="81786"> <g> <title>Layer 1</title> <path fill="none" stroke="#000000" stroke-width="2" id="svg_81786_1" d="m561,311.789673l-9.498169,0l-9.498169,41.468689l-9.498169,17.772308l-9.498169,26.658447l-9.498169,19.746979l-9.498169,23.696411l-9.498199,10.86084l-9.498169,14.810242l-9.498169,6.911469l-9.498169,7.898804l-9.498169,0.987335l-9.498169,3.949402l-9.498169,0l-9.102417,0l-9.498169,0.987366l-9.498169,0.987335l-9.498169,0l-9.498169,0.987366l-9.498169,0l-9.498169,0l-9.498169,0l-9.498169,0l-9.498199,0l-9.498169,0.987335l-9.498169,0l-9.498169,0l-9.498169,0l-9.498169,0l-9.498169,0l-9.498169,0l-9.498169,0l-9.498169,0l-9.498169,0l-9.498184,0l-9.498169,0l-9.498169,0l-9.498169,0l-9.498169,0l-9.498169,0l-9.498184,0l-9.498169,0l-9.498169,0l-9.498169,0l-9.498169,0l-9.498169,0l-9.498177,0l-9.498169,0l-9.498169,0l-9.498177,0l-9.498169,0l-9.498169,0l-9.498177,0l-9.498173,0l-9.498169,0l-9.498169,0l-9.498171,0l-9.498171,0l-9.49817,0l-9.49817,0l-9.49817,0l28.49451,0l0,0l-28.49451,0l9.49817,0l9.49817,0l9.49817,0l9.498171,0l9.498171,0l9.498169,0l9.498169,0l9.498173,0l9.498177,0l9.498169,0l9.498169,0l9.498177,0l9.498169,0l9.498169,0l9.498177,0l9.498169,0l9.498169,0l9.498169,0l9.498169,0l9.498169,0l9.498184,0l9.498169,0l9.498169,0l9.498169,0l9.498169,0l9.498169,0l9.498184,0l9.498169,0l9.498169,0l9.498169,0l9.498169,0l9.498169,0l9.498169,0l9.498169,0l9.498169,0l9.498169,0l9.498169,0l9.498199,0l9.498169,0l9.498169,0l9.498169,0l9.498169,0l9.498169,0l9.498169,0l9.498169,0l9.498169,0l9.102417,0l9.498169,0l9.498169,0l9.498169,0l9.498169,0l9.498169,0l9.498169,0l9.498199,0l9.498169,0l9.498169,0l9.498169,0l9.498169,0l9.498169,0l9.498169,0l0,-178.710327z"/> </g> </svg>