Song Company purchased a depreciable asset for $700,000 on April 1, 2018. The estimated salvage value is $70,000, and the estimated useful life is 5 years. Double Declining Balance is used for depreciation. What is the balance in accumulated depreciation on May 1, 2021 when the asset is sold? Sum of the years' digits is used for depreciation. What is the balance in accumulated depreciation on May 1, 2021 when the asset is sold