Jon Monty Furnace Corp. purchased machinery for $360,000 on May 1, 2020. It is estimated that it will have a useful life of 10 years, residual value of $20,000, production of 340,000 units, and working hours of 17,000. During 2021, Monty Corp. uses the machinery for 2,550 hours, and the machinery produces 24,900 units. Calculate the depreciation charge for 2021

under declining-balance method (use 20% as the annual rate).

Depreciation Charge 2021 =$ ?