Cork Oak Corporation purchased a heavy-duty truck (not considered a passenger automobile for purposes of the listed property and luxury automobile limitations) on May 1, 2019 for use in its business. The truck, with a cost basis of $24,000, has a 5-year estimated life. It also is 5-year recovery property. How much depreciation should be taken on the truck for the 2019 calendar tax year using the conventional (for financial accounting purposes) straight-line depreciation method?

a. $3,200

b. $400

c. $4,800

d. $2,400

e. None of these choices are correct.