On January 1, 2020 Milky Factory purchased new equipment for $800. The equipment is expected to be used for 1,200 hours over 4 years. Residual value is expected to be $200. During 2020 the equipment was used for 250 hours.

Required: Compute the following

Depreciable cost
Depreciation expense for 2020 using straight-line depreciation
Depreciation expense for 2020 using units-of-activity depreciation