this is very important. make sure it is correct please

Question 4 6 Marks 3 Required: Canada Ltd purchased a vehicle costing $52 000. It is expected to have a residual value of $12000 at the end of its useful life of 4 years or 200 000 kilometres. Required A. Assume the vehicle was purchased on 1 July 2019 and that the accounting period ends on 30 June. Calculate the depreciation expense for the year 2019-20 using each of the following depreciation methods: 1. straight-line 2. units of production (assume the van was driven 78 000 kilometres during the financial year). 3. diminishing balance (use 31%)