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 year. a. The Krug Company's Accumulated Depreciation account has a $15,000 balance to start the year. A review of depreciation schedules reveals that $16,400 of depreciation expense must be recorded for the year. Accumulated depreciation Step 1: Determine what the current account balance equals. Credit Step 2: Determine what the current account balance should equal. Credit Step 3: Record the December 31 adjusting entry to get from step 1 to step 2. b. The company has only one fixed asset (truck) that it purchased at the start of this year. That asset had cost $47,000, had an estimated life of 5 years, and is expected to have zero value at the end of the 5 years. Accumulated depreciation -Truck Step 1: Determine what the current account balance equals. 0 Step 2: Determine what the current account balance should equal Credit Step 3: Record the December 31 adjusting entry to get from step 1 to step 2. c. The company has only one fixed asset (equipment) that it purchased at the start of this year. That asset had cost $38,000, had an estimated life of 7 years, and is expected to be valued at $5,800 at the end of the 7 years. Accumulated depreciation -Equipment 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