Using the following information, compute the ending balance of the merchandise inventory account under the perpetual inventory system. a. Merchandise inventory, beginning...

Using the following information, compute the ending balance of the merchandise inventory account under the perpetual inventory system.

a. Merchandise inventory, beginning balance                                     $ 20,000

b. Purchased merchandise on account                                                200,000

c. Sold merchandise on account                                                         240,000

d. Cost of merchandise sold in (c)                                                      120,000

e. Freight charges paid on inventory delivered to showroom             1,000

f. Refund provided to customers for merchandise returned              800

g. Cost of merchandise returned by customers                                   500