West Coast Outdoor Co. sold $22,000 worth of trampolines with a one-year warranty. The company estimates that 2% of the sales will result in warranty work. West Coast Outdoor Co. should a Recognize warranty expense at the time of sale b Recognize warranty expense at the time warranty work is performed Recognize warranty liability at the time of sale d Recognize warranty expense and warranty liability at the time of sale e Recognize warranty expense at the time warranty work is performed and warranty liability at the time of sale