Paper 1 October/November 2020 Accounting (9706/11) A Level

A sole trader purchased a machine costing $\$ 30000$ with an estimated residual value of $\$ 5000$. It was expected to have a useful life of five years.
At the end of the fourth year, the machine was sold at a profit of $\$ 200$.
Depreciation is charged using the straight-line method. A full year’s depreciation is charged for each year the asset is owned.
What was the amount of sale proceeds?