4. A company bought machinery for $125,000 on January 1, 2021. The company estimated the useful life to be 5 years with no residual value, and the straight-line method of depreciation will be used. On January 1, 2022, the company decides that the business will use the machinery for a total of 6 years. What is the revised depreciation expense for 2022? (2.5 point) 1) $20,000. 2) $10,000. 3) $16,667. 4) $25,000