a piece of equitment is purchased for 23000 the machine depr

a piece of equitment is purchased for $23,000/ the machine depreciates to 70% of its purchase price after 5 years. assjuming the depreciation is a linear function of time, determine the salvage value of the machine 10 years after it was purchased. enter the whole dollar amount.

Solution

(0,23000) ,(5,17100)

m=(17100-23000)/(5-0)

m=-5900/5=-1180

C=-1180x +23000

x=10

c=-1180(10)-23000=$11200