A truck acquired at a cost of $$375,000$ has an estimated residual value of $$22,200,$ has an estimated useful life of $49,000$ miles, and was

driven $4,400$ miles during the year. Determine the following. If required, round your answer for the depreciation rate to two decimal

places.

$($a$)$ The depreciable cost

$($b$)$ The depreciation rate

$($c$)$ The units$-$of$-$activity depreciation for the year