Saved Jackal Energy purchased a transport truck on January 1, 2020, for $204,400 cash. Its estimated useful life is five years or 210,000 kilometres with an estimated residual value of $46,900. Required: Calculate depreciation expense for the year ended December 31, 2020, using each of the following methods: (Do not round intermediate calculations.) 108 a. Straight-line b. Double-declining-balance c. Units-of-production (assume 25,000 kilometres were actually driven in 2020). Depreciation Expense a. Method Straight-line Double-declining-balance Units-of-production b. C. Analysis component: Which depreciation method will produce the highest profit for Jackal in 2020? ed Highest profit in 2020