What is the declining-balance double-rate depreciation for a period if the initial cost is 35,000 currency units and the value at the end of the depreciation is 7,500 currency units. The depreciation period is 3 years. The depreciation from the 10th to the 20th period is calculated.
取得価格が 35,000 貨幣単位で、残存価格が 7,500 貨幣単位である場合の、特定期間の定額減価償却費を定額逓減法で計算します。耐用年数は３年とし、第10期から第20期の減価償却費を求めます。