Answer:
depreciation for 2021 is $ 18,000
book value at December 31, 2021 is $ 27,000
Step-by-step explanation:
Sum of Digits Method is a depreciation method that provides for higher depreciation to be charged early in the life of an asset with a lower depreciation in later years.
Sum of digits for the framing machine is calculated as follows :
Year Sum of Digits
1 4
2 3
3 2
4 1
Total 10
Depreciation for 2021 is calculated as :
= 4/10× $ 45,000
= 18,000
Book value at December 31, 2021 is calculated as :
=Cost - Accumulated Depreciation
=$45,000 - $ 18,000
=$ 27,000