A workcenter system purchased at a cost of $84,000 in 2015 haga scrap value of $12,000 at the end of 6 years. Assume that the straight-line method of depreciation is used
(a) Find the rate of depreciation.
$
per year
(b) Find the linear equation expressing the system's book value at the end of t years.
V=
(c) Sketch the graph of the function of part (b). (Sketch the graph as a line segment.)

D) find the systems book value at the end of the fifth year