Sunland LTD purchased a new machine on April $4,2020$ at a cost of $$160,000.$ The company estimated that the machine would have a residual value of $$16,000.$ The machine is expected to be used for $10,000$ working hours during its four year life. Actual machine usage was $1400$ hours in $2020,2000$ hours in $2021,2400$ hours in $2022,2300$ hours in $2023$ and $1900$ hours in $2024.$ Sunland has a December $31$ year end. calculate depreciation using the straight line method for $2020$ through to $2024.$