Workman Company purchased a machine on January 2, 2020, for $800,000. The machine has an estimated useful life of 5 years and a salvage value of $100,000. Depreciation was computed by the 150%...

Workman Company purchased a machine on January 2, 2020, for $800,000. The machine has an estimated useful life of 5 years and a salvage value of $100,000. Depreciation was computed by the 150% declining-balance method. What is the amount of accumulated depreciation at the end of December 31, 2021?