If the makeup rate on the cost of an outdoor gas grill is 30%, find the equivalent markup rate on the selling price. Use the following formula to find the answer(remember that you may need to round to the third decimal place which is equivalent to rounding to one tenth of a percent.)
Mark up rate on selling price=Markup rate cost/(1+ Narkup rate on cost)
A. 23.1%
B. 86.7%
C. 31.7%
D. 72.9%