The merchandise inventory was destroyed by fire on August 19. The following data were obtained from the accounting records:

Jan. 1

Merchandise inventory

$ 360,000

Jan. 1–Aug. 19

Purchases (net)

3,200,000

 

Sales (net)

5,200,000

 

Estimated gross profit rate

36%

a. Estimate the cost of the merchandise destroyed.

b. Briefly describe the situations in which the gross profit method is useful.