Sandhill Company inc. had a beginning inventory of 105 units of Product 851 at a cost of $7 per unit. During the year, purchases were: Sanchill Company uses a periodic inventory system, Sales totaled 1,500 units. (a) Determine the cost of goods available for sale. The cost of goods availsble for sale Calculate weighted-averose cost per unit. (Round onower to 3 decimal places es 5.125) Weighted-awerage cost per unit