MANAGEMENT

Detailed explanation-1: -The biggest advantage of using MAC is that it’s a straightforward way to track inventory expenses compared to other inventory costing methods. You can store inventory regardless of which batch it belongs to.

Detailed explanation-2: -Weighted average method (WAC) is determined by dividing the total amount you spent on the inventory you have on hand by the total number of items on hand. This provides an averages of the cost of purchased goods in your ending inventory.

Detailed explanation-3: -A perpetual inventory system automatically updates and records the inventory account every time a sale, or purchase of inventory, occurs.

Detailed explanation-4: -Answer and Explanation: The correct option is b. purchases. Purchases are measured at the end of each period under the periodic inventory system, not the perpetual inventory system.