Equipment costing \(\$ 330,000\), on which \(\$ 225,000\) of up-to-date accumulated depreciation has been recorded, was disposed of on January 2, 1998. What journal entries are required to record the equipment's disposal under each of the following unrelated assumptions?

a. The equipment was sold for \(\$ 120,000\) cash.

b. The equipment was sold for \(\$ 87,000\) cash.

c. The equipment was retired from service and hauled to the junkyard. No material was salvaged.

d. The equipment was exchanged for similar equipment having a cash price of \(\$ 450,000\). A trade-in allowance of \(\$ 150,000\) from the cash price was received, and the balance was paid in cash.

e. The equipment was exchanged for similar equipment having a cash price of \(\$ 450,000\). A trade-in allowance of \(\$ 75,000\) was received, and the balance was paid in cash.