A farmer buys a new tractor for $148,000 and assumes that it will have atrade-in value of $92,000 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.

V=

5,600t+148,000

(B) What is the depreciated value of the tractor after 6 years?

The depreciated value of the tractor after 6 years is $114,400

(C) When will the depreciated value fall below $80,000?

The depreciated value will fall below $80,000 during the ?? th year.

(Round up to the nearestinteger.)

.