The non$-$current asset section of a business's balance sheet is below

These were the only depreciable assets owned by the business. during the current year the business sold equipment which it had purchased five year previously at a cost of $$10000.$ The accumulated depreciation on the equipment during the year. What was the depreciation expense recorded during the current year?

a$.$ $$1000$

b$.$ $$8000$

c$.$ $$9000$

d$.$ cannot be determined with the information provided