Landon Jewelers uses the perpetual inventory system. On April 2, Landon sold merchandise with a cost of $ 3 comma 500 for $ 7 comma 000 to a customer on account with terms of 1/15, n/30. The journal entry to record the cost of goods sold would be:

A. Merchandise Inventory - 2,500, Cost of Goods Sold - 2,500

B. Cost of Goods - 2,500, Accounts Receivable - 2,500

C. Cost of Goods Sold - 2,500, Merchandise Inventory - 2,500

D. Sales Revenue - 2,500, Cost of Goods Sold - 2,500

Wo firms, a and b, each currently dump 50 tons of chemicals into the local river. the government has decided to reduce the pollution and from now on will require a pollution permit for each ton of pollution dumped into the river. it costs firm a $100 for each ton of pollution that it eliminates before it reaches the river, and it costs firm b $50 for each ton of pollution that it eliminates before it reaches the river. the government gives each firm 20 pollution permits. government officials are not sure whether to allow the firms to buy or sell the pollution permits to each other. what is the total cost of reducing pollution if firms are not allowed to buy and sell pollution permits from each other? what is the total cost of reducing pollution if the firms are allowed to buy and sell permits from each other? a. $3,000; $1,500 b. $4,500; $3,500 c. $4,500; $4,000 d. $4,500; $2,500