ABC, Inc. has purchased a factory for $150,000 with an expected useful life of 6 years or 50,000 hours of use. They use the machine 5,000 hours per year to produce their product. The expected salvage value is $25,000. What will the depreciation expense be for each year? What will be the balance of accumulated depreciation? Assume you are using the following methods:

A. straight-line

B. double-declining balance

C. units-of-production