How is the disposition of a long-term asset like land or equipment or a building recorded in the General Journal

How is the disposition of a  like land or equipment or a building recorded in the General Journal?

What is the function of these entries (meaning, what do the accounts that are affected by the entries communicate to readers of the financial statements)?

Prepare journal entries to record the following:1.  Gomez Company retires its delivery equipment, which cost $41,000. Accumulated depreciation is also $41,000 on this delivery equipment. No salvage value is received.

2.  Assume the same information as (a), except that accumulated depreciation, is $39,000, instead of $41,000, on the delivery equipment.

DQ# 2Jacobs Company incurs the following expenditures in purchasing a truck: cash price$30,000, accident insurance $2,000, sales taxes $1,500, motor vehicle license $100, and painting and lettering $400.

Identify each cost as either a capital expenditure or a  and discuss why each choice was made.

What is the cost of the truck? (show how you arrived at this amount)