A company buys an office machine for $5200 on January 1 of a given year. the machine is expected to last for eight years at the end of which time its trade in value or salvage value will be 1100$. if the company figures the decline in value to be the same each year than the book value or salvage value after T years ,0<t<8 is given by the linear function: v(t) =C-t (c-s/n)
Where c =the original cost of the item($5200), N=the number of years of expected life (8)& s=the salvage value ($1100)
A.) find the linear function for the straight line depreciation of the office machine
B.) find the salvage value after 0 years, 3years and 7 years.
My work: a.) v(t) =5200-t(5200-1100/8)
I don't think if this is correct which is why I cannot move on to part b
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