For each separate case below, follow the three-step process for adjusting the Accumulated Depreciation account at December 31. Step 1: Determine what the current account balance equals. Step 2: Determine what the current account balance should equal. Step 3: Record the December 31 adjusting entry to get from step 1 to step 2 . Assume no other adjusting entries are made during the yeat. b. Accumulated Depreciation: The company has only one plant asset (truck) that it purchased at the start of this year. That asset had cost 544.000. had an estimated life of five years, and is expected to have zero value at the end of the five years. The company uses straight line depreciation. method to calculate its depreciation