(2) As the summer approaches Mr. Salim is in search of good quality air conditioners to be replaced in his house. With an intention to buy an air conditioner he went to Carrefour hypermarket. There he found three different companies air conditioners at different prices. They were as follows: Item Net Price Trade Discount Amount Panasonic Air conditioner OMR 249.99 OMR 20 General Air conditioner OMR 199.99 OMR 15 LG Air conditioner OMR 236.50 OMR 25 By seeing the prices and discount amount Mr. Salim was confused to buy which air conditioner. You are required to help him in choosing the best air conditioner in terms of less price. (a) Determine the discount rate applied for Panasonic Air conditioner. (1 Mark) (b) Determine the discount rate applied for General Air conditioner. (1 Mark) (c) Determine the discount rate applied for LG Air conditioner. (1 Mark) (d) Which air conditioner you will suggest Mr. Salim to buy in terms of discount rate. (1 Mark)