Q6. The cost of a machine is $50,000 with a salvage value of $5,000 at the end of its economic life of 5 years. Company uses declining balance method for depreciation. What will be the value of depreciation expense for first year if it is based on twice the straight-line rate?

a) $10,000

b) $20,000

c) $30,000

d) $25,000