The current controllable margin for Claremont Division is $$61600.$ Its current operating assets are $$200000.$ The division is considering purchasing equipment at the beginning of the year for $$61400$ that will increase annual controllable margin by an estimated $$10000.$ If the equipment is purchased, what will happen to the return on investment for Claremont Division? $($Round answer to nearest cent$)$

a decrease of $23\mathrm{.}5\%$ a decrease of $3\mathrm{.}4\%$ a decrease of $8\mathrm{.}1\%$ an increase of $16\mathrm{.}2\%$