The trial balance of Wildhorse Co. at the end of its fiscal year, August 31, 2017, includes these accounts: Beginning Inventory $23,090; Purchases $220,970; Sales Revenue $189,200; Freight-In $9,140; Sales Returns and Allowances $4,630; Freight-Out $1,230; and Purchase Returns and Allowances $7,820. The ending inventory is $21,600. Prepare a cost of goods sold section (periodic system) for the year ending August 31, 2017.