Jackal Energy purchased a transport truck on January 1, 2020, for $268,600 cash. Its estimated useful life is five years or 270,000 kilometres with an estimated residual value of $49,900.

Required:

Calculate depreciation expense for the year ended December 31, 2020, using each of the following methods:(Do not round intermediate calculations.)

1. Straight-line
2. Double-declining-balance
3. Units-of-production (assume 36,000 kilometres were actually driven in 2020).