Shannon Company has equipment that originally cost \(\$ 68,000\). Depreciation has been recorded for six years using the straight-line method, with a \(\$ 9,000\) estimated salvage value at the end of an expected eight-year life. After recording depreciation at the end of six years, Shannon sells the equipment. Prepare the journal entry to record the equipment's sale for:

a. \(\$ 30,000\) cash.

b. \(\$ 23,750\) cash.

c. \(\$ 21,000\) cash.