Al's auto accessories store began an accounting period with an inventory of $3,500 worth of auto accessories. during the accounting period, al bought another $2,000 worth of accessories, giving the shop a total inventory worth $5,500. at the end of the accounting period, al's inventory was worth $1,500, which means the cost of goods sold during this period was

$4000

Explanation:

The cost of goods sold is also referred to as the cost of sales.

COGS=Beginning Inventory+net Purchases −Ending Inventory

Cost of good issued: $ 3500

Net purchases: $ 2000

End of year Inventory: $1500

COGS=$3500+$2000-$1500

=$5500-$1500

=$4000

answer (b); /// a method of measuring the opinions of a large group of people by selecting a subset of the larger group, asking them a set of questions and then generalizing those responses;