To determine the profit made on 12 bags of cookies, it is essential to calculate the selling price, the cost price, and then determine the profit earned.What is cost price?The cost price is the price at which an item is purchased by the manufacturer, and it includes the cost of manufacturing plus any other expenses incurred. It is the amount that a seller pays for goods and services.What is selling price?The selling price is the price at which a product or service is sold to the consumer. It is the final price paid by the customer. The selling price includes the cost price and any profit the seller makes. It is the total cost of goods and services sold to the customer plus any markup that the seller adds to make a profit.Given information:Each bag of cookies cost S^2.60 to make and the price markup is 35%.Profit = Selling Price - Cost PriceSelling price = Cost price + 35% of Cost priceLet's first calculate the cost price of one bag of cookies:COST PRICE OF ONE BAG OF COOKIES = S^2.60SELLING PRICE OF ONE BAG OF COOKIES = COST PRICE OF ONE BAG OF COOKIES + 35% OF COST PRICE= S^2.60 + 0.35 × S^2.60= S^2.60 + S^0.91= S^3.51Therefore, selling price of 12 bags of cookies = 12 × S^3.51= S^42.12PROFIT MADE ON 12 BAGS OF COOKIES = SELLING PRICE OF 12 BAGS OF COOKIES - COST PRICE OF 12 BAGS OF COOKIES= S^42.12 - 12 × S^2.60= S^42.12 - S^31.20= S^10.92Therefore, the profit made on 12 bags of cookies is S^10.92.