3. Retail method Omega Signs uses the retail method to estimate ending inventory in its monthly financial statements. The following information is available for the month ended April 30: Cost Retail Sales Inventory, April 1 Net purchases Goods available for sale S 750,000 $300,000 500,000 250.000 500,000 $1.000.000 $550,000 Estimate the Cost of Goods Sold and the cost of the April 30h inventory using the retail method: (Please show your work)