Helms Company purchases a delivery truck for $12,000 on January 1, 2019. Helms expects to use the truck only two years and to sell it for $4,000. The company's policy is to use straight-line depreciation but depre- ciation in 2019 is not recorded. Rather, the accountant charges the entire cost to delivery expense in 2019. The controller discovers the error late in 2020. 2. Required reco period adjustments appearing in the 2019 and 2020 retained earnings sections of the statement of stockholders' equity. The tax rate is 25%