$60\mathrm{.}0\%$ complete

Question

Layla works for Joyful Planners, a company that sells planners and organizational tools. Joyful Planners normally has a gross profit percentage of $30\%.$ Layla loves using a paper daily planner, so she decides to buy $3$ planners from the company that she will gift to friends. Layla pays $$146\mathrm{.}25$for three planners that would have normally retailed for $$225.$ What, if any, amount must be included in Layla's gross income?

A$.$$$0$

B$.$$$11\mathrm{.}25$

C$.$$$146\mathrm{.}50$

D$.$$$157\mathrm{.}50$