On April 15 of the current year, a fire destroyed half of the uninsured ending inventory of a retail store. the following data is available:Sales, January 1 through April 15 $480,000Inventory, January 1 80,000Purchases, January 1 through April 15 400,000Mark up on cost 25%what is the markup on sale?what is the cost of goods sold?what is the amount of the ending inventory before the fire?what is the estimated inventory loss?