Wildhorse Company Inc. had a beginning irventory of 110 units of Product RST at a cost of $7 per unit. During the year, purchases were: Wildhorse Compary uses a periodic inventory system. Sales totaled 1.540 units. (d) Determine the cost of soods available for sale. The cost of goods available for sale Calculate weighted-average cost per unit. (Round onswer to 3 deciinol ploces, es. 5.125)