Emir Company purchased equipment that cost $110,000 cash on January 1, Year 1. The equipment had an expected useful life of six years and an estimated salvage value of $8,000. Assuming that Emir depreciates its assets under the straight-line method, the amount of depreciation expense appearing on the Year 4 income statement and the amount of accumulated depreciation appearing on the December 31, Year 4, balance sheet would be:

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