Three brands of cornflakes are available. Brand G: $2.19 for 11 ounces Brand K: 54.29 for 15.6 ounces Brand P $3.39 for 13.3 ounces You have a coupon for 20e off Brand P and a coupon for 304 off Brand G. Which cereal is the best buy? Which brand is the best buy? O A. Brand K OB. Brand G OC Brand P