Concept:Gross profit is the difference between selling price and cost price.Express cost price in terms of selling price, then find the required percentage.Explanation:Let the selling price (SP) be 100x.Gross profit is 17% of SP, so profit =17x.Cost price (CP) =SP−Profit=100x−17x=83x.Now, 27% of cost price is:10027​×83x=22.41xSince SP is 100x, this amount as a percentage of SP is:100x22.41x​×100=22.41%Answer:22.41%, which is option C.