This information relates to Pharoah Co.. 1. On April 5, purchased merchandise from Cullumber Company for $28,600, terms 4/10, n/30.
2. On April 6, paid freight costs of $580 on merchandise purchased from Cullumber Company.
3. On April 7, purchased equipment on account for $32,000.
4. On April 8, returned $3,500 of April 5 merchandise to Cullumber Company.
5. On April 15, paid the amount due to Cullumber Company in full.
Prepare the journal entries to record the transactions listed above on Pharoah Co.'s books. Pharoah Co. uses a perpetual inventory system.

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