At the beginning of 2020, your company buys a $35,600 piece of equipment that it expects to use for 4 years. The equipment has an estimated residual value of 4,000. The company expects to produce a total of 200,000 units. Actual production is as follows: 44,000 units in 2020, 47,000 units in 2021, 55,000 units in 2022, and 54,000 units in 2023. Required:

1. Determine the depreciable cost.
2. Calculate the depreciation expense per year under the straight-line method.
3. Use the straight-line method to prepare a depreciation schedule.
4. Calculate the depreciation rate per unit under the units-of-production method.
5. Use the units-of-production method to prepare a depreciation schedule.