DEPRECIATION: Company F purchased equipment for 120,000 on 1/1/2020. The equipment has a useful life of 4 years and a residual value of 10,000 and will produce 100,000 total units of production over the useful life. For 2020 the equipment had 30,000 units of production. Using the units-of-production method of depreciation, what is the amount of depreciation expense for 2020?

		a. 36,000
		b. 33,000
		c. 30,000
		d. 27,500
		e. None of the above