A farmer buys a new tractor for ?$145,000 and assumes that it will have a? trade-in value of ?$82,000 after 10 years. The farmer uses a constant rate of depreciation to determine the annual value of the tractor.
?(A) Find a linear model for the depreciated value V of the tractor t years after it was purchased. ?(answer in? slope-intercept form.)
?(B) What is the depreciated value of the tractor after 6 ?years? The depreciated value of the tractor after 6 years is.
?(C) When will the depreciated value fall below ?$60,000?? The depreciated value will fall below ?$60,000 during the nothing the year. ?(Round up to the nearest? integer.)