The Merchandise Inventory account balance is $50,000. An physical count of inventory reveals that actual inventory balance is $42,000. Which of the following would be included in the adjusting entry? (Assume a perpetual inventory system.)

a $42,000 credit to Merchandise Inventory

b $50,000 debit to Cost of Goods Sold

c $8,000 credit to Cost of Goods Sold

d $8,000 credit to Merchandise Inventory