A company using the periodic inventory system has the following account balances: Merchandise Inventory at the beginning of the year, $3,600; Freight In, $650; Purchases, $10,700; Purchases Returns and Allowances, $1,950; Purchases Discounts, $330. The cost of merchandise purchased is equal to

A) $12,670
B) $9,070
C) $8,420
D) $17,230

Metacognitive thinking helps to make you aware of how you learn and think.

A variable ratio schedule is effective because it creates uncertainty about when the consequence will occur.