How long will it take, to the nearest whole year, for money to triple if it is invested at 4% interest compounded quarterly? Use the formula $\displaystyle{A}={P}{{\left({1}+\frac{{r}}{{m}}\right)}}^{{{m}{t}}}\usepackage{cmbright}\Huge\$ to find the answer.

It will take _____ years for money to triple when invested at 4% interest compounded quarterly.