A retailer uses a first-in, first-out cost determination method in a perpetual inventory system for the current month, the following purchase and sales transactions occurred: Date Description Units Total Selling Cost Price Mar. 1 150 $1,050 Opening inventory Purchase Mar. 3 100 $700 Mar. 5 Sale 140 $18/unit 150 $1,310 Mar. 13 Purchase 130 $18/unit Mar. 28 Sale For each of the following, type the dollar amount (nearest dollar without dollar sign (5) or comma, e.g. 15000); Mar. 5 cost of goods sold Mar. 28 cost of goods sold