On January $1,2024,$ the Excel Delivery Company purchased a delivery van for $$35,850.$ At the end of its five$-$year service life, it is estimated that the van will be worth $$3,000.$ During the five$-$year period, the company expects to drive the van $109,500$ miles.

Required:

Calculate annual depreciation for the five$-$year life of the van using each of the following methods.

$3.$ Units of production using miles driven as a measure of output, and the following actual mileage: