answer both of the following

A local retail store pays $26 per handmade purse. It sells the purses at a retail price of $65 each. What is the return on sales for the purses? An online swimsuit retailer uses keystoning pricing. It pays $54 for each swimsuit. What is the retail price of the swimsuit? 3. Please show your calculations for each of the four problems. Please use the proper equations. No credit will be given for answers without calculations or use of proper equation. (15point each)