Vickers Company use the units-of-production method in computing depreciation expense. A new plant asset is purchased for $18,000 that will produce an estimated 100,000 units over its useful life. Estimated residual value at the end of its useful life is $2,000. What is the depreciation cost per unit?

Select one:

a. $1.60.

b. $0.18.

c. $0.16.

d. $1.80.