A company purchased a machine on January $1$ of the current year for $$7$ of expense for each year of the machine's life $($estimated at $5$ years or $400,000$ During the machine's $5-$year life its usage was: $30,000$ miles $($year $1)$; $70,000100,000$ miles $($year $4)$; and $110,000$ miles $($year $5).$

$(12$ points$)$ SHOW YOUR WORK!! Show the Depreciation Expense for each year.