A company just starting its business made the following three inventory purchases in June:

Date	Number of Units	Total Cost
June 1	150	$480
June 10	200	660
June 15	200	680

On June 25, the company made its first sale when a local customer purchased 350 units for $3,500. Using the average cost formula, the cost of the ending inventory on June 30 is (round to the nearest dollar)

Select one:

a. $695

b. $680

c. $1,695

d. $662