A truck acquired at a cost of $$525,000$ has an estimated residual value of $$32,000,$ has an estimated useful life of $58,000$ miles, and was driven $4,100$ miles during the year. Determine the following. If required, round your answer for the depreciation rate to two decimal places.

Line Item Description Amount

$($a$)$ The depreciable cost $fill in the blank $1$

$($b$)$ The depreciation rate $fill in the blank $2$

per mile

$($c$)$ The units$-$of$-$activity depreciation for the year $fill in the blank $3$