Treadwell Co$.$ uses the units of activity method for depreciation of its delivery vehicle. It paid $$60,000$ for the vehicle and expects to use it for $5$ years before trading it in on a new one. The car dealer has agreed to buy it back for $$5,020$ if it has less than $$200,040$ km wich is within Treadwell$$s expectation of km per year on the vehicle. In year $1$ the truck logged $38,000$ km on the odometer. In year $2$ the actual mileage was $28,000$ km$.$ In year $3$ the actual mileage was $55,000$ km$.$ In year $4$ the actual mileage was $33,000$ km and in year $5$ the actual mileage is reaching $20,000$ km and there are less than $90$ days until the end of the year. Round your answer to the nearest dollar $($no cents$).$

Required $1$: What depreciation expense will Treadwell Co record in year $2?$ $

Required $2$: What depreciation expense will Treadwell Co record in year $3?$ $

Required $3$: What depreciation expense will Treadwell Co record in year $4?$ $

Required $4$: What accumulated depreciation will Treadwell Co report at the end of year $2?$ $

Required $5$: What accumulated depreciation will Treadwell Co report at the end of year $3?$ $

Required $6$: What accumulated depreciation will Treadwell Co report at the end of year $4?$ $