$1.$Estimate the average hourly depreciation and fixed cost for $$596,000$ combine assuming it is guaranteed $100$ hr$/$yr for $8$ years$\mathrm{.}2.$Estimate the fixed cost$/$acre for this combine assuming it has a $12-$row, $30$ in$/$row spacing corn head and is operated at $6$ mph$.$ Assume the field efficiency $=70\%3.$If hours$/$yr increased to $200$ hr$/$yr$,$ what is the fixed cost$/$hr$?4.$If the combine is operated for $15$ yr at $200$ hr$/$yr$.$ What is the fixed cost$/$hr$?$ Total hr on combine is $3000$ hr $($full life$)5.$If the combine is operated at $10$ yr and $300$ hr$/$yr$.$ What is the fixed cost$/$hr$?$ Full life at $1146$ ac$/$yr$.$