On October 1, 2018, Joe Company purchased a truck for $24,000 with a salvage value of $1,500 after its 5 years useful life. The company uses the double declining balance depreciation method. Prepare the depreciation schedule of the truck over its useful life and specify the amounts of:

DDB Rate

Depreciation Expense of the year 2018

Accumulated depreciation of the year 2019

Book Value at the beginning of the year 2020

Accumulated depreciation of the year 2023

Book Value at the end of the year 2023

The depreciation expenses over the years are: *

Constant

Variable

Declining ?