At the beginning of its operations in July 2024 , Ivanhoe Pet Shop Ltd. began with 8,170 units of inventory that it purchased at a cost of $14.60 each. The company's purchases during July were as follows: July 5 6,450 units @ \$18.00 Sales during July: July 2 7,310 units July 27 4,300 units Ivanhoe Pet Shop uses a periodic inventory system. (a) Calculate the cost of goods sold for July using the weighted-average cost formula. (Round calculations for cost per unit to 2 decimal places, e.g. 10.52 and final answer to 0 decimal places, e.g. 61,052.) Cost of goods sold $