Use the weighted-average inventory method to calculate the cost of the ending inventory for the inventory table below. Date of purchase Units purchased Cost per unit Total cost Retail price per unit Total retail value Beginning inventory 95 $12 $1 comma 140 $16 $1 comma 520 February 5 21 $9 $189 $13 $273 February 19 17 $11 $187 $16 $272 March 3 38 $14 $532 $22 $836 Goods available for sale 171 $2 comma 048 $2 comma 901 Units sold 90 Ending inventory 81