Problem 6-1A Perpetual: Alternative cost flows LO P1 The following information applies to the questions displayed below.] Warnenwoods Company uses a perpetual Inventory system. t entered into the following purchases and sales transactions for March. ts Acquired at Cost Units Sold at Retail Activities 100 units $58.00 per unit 400 units $55.00 per unit Mar. 1 Beginning inventory Mar. 5 Purchase Mar. 9 Sales Mar. 18 Purchase Mar. 25 Purchase Mar. 29 Sales 420 units@ $85.80 per unit 120 units $60.00 per unit 280 units $62.80 per unit 16e units e $9s.00 per unit 588 units Totals 820 units Problem 6-1A Part1 Required: 1. Compute cost of goods available for sale and the number of units available for sale