(2). As the summer approaches Mr. Samad is in search of good quality air coolers to be replaced in his house. With an intention to buy an air cooler he went to Mars hypermarket. There he found three different companies air coolers at different prices. They were as follows: Item Net Price Trade Discount Amount Panasonic Air cooler OMR 149.99 OMR 15 General Air cooler OMR 189.99 OMR 17 IG Air cooler OMR 216.50 OMR 30 By seeing the prices and discount amount Mr. Samad was confused to buy which air cooler. You are required to help him in choosing the best air cooler in terms of less price. (a) Determine the discount rate applied for Panasonic Air cooler. (1 Mark) (b) Determine the discount rate applied for General Air cooler. (1 Mark) (o Determine the discount rate applied for LG Air cooler. (1 Mark) (d) Which air cooler you will suggest Mr. Samad to buy in terms of discount rate (1 Mark)