E5-12 The trial balance of Mendez Company at the end of its scal year, August 31, 2017, includes these accounts: Beginning Inventory $18,700, Purchases $154,000, Sales Revenue $190,000, Freight-In $8,000, Sales Returns and Allowances $3,000, Freight-Out $1,000, and Purchase Returns and Allowances $5,000. The ending inventory is $21,000. instructions Prepare a cost of goods sold section (periodic system} for the year ending August 31, 201