Exercise 6-50 Inventory Costing Methods Crandall Distributors uses a perpetual inventory system and has the following data available for inventory, purchases, and sales for a recent year: $7.10 Activity Beginning inventory Purchase 1, Jan. 18 sale 1 sale 2 Purchase 2, Mar. 10 sale 3 sale 4 Purchase 3, sept. 30 sale 5 Units 110 575 380 225 680 270 290 230 240 Purchase Price (per unit) 7.20 7.50 7.70 Sale Price (per unit) $12.00 12.00 12.00 12.50 12.50