marigold furnacecorp. purchased machinery for $309,000 on May 1, 2025. It is estimated that it will have a useful life of 10 years, scrap value of $43,000, production of 100,000 units, and working hours of 12,500. During 2026 Marigold uses the machinery for 2,000 hours, and the machinery produces 25,000. from the information given, compute the depreciation charge for 2026 under each of the following methods