Bill just returned from a duck hunting trip with eight ducks. Bill's friend, John, disapproves of duck hunting, and to discourage

Bill from further hunting, John presented him with the following cost estimate per duck:

Camper and equipment:

Cost, $$12,000$; usable for eight seasons; $10$ hunting trips per season

$$150$

Travel expense $($pickup truck$)$:

$100$ miles at $$0\mathrm{.}31$ per mile $($gas$,$ oil, and tires$-$ $$0\mathrm{.}21$ per mile;

depreciation and insurance$-$ $$0\mathrm{.}10$ per mile$)$

Shotgun shells $($two boxes per hunting trip$)$

$31$

Boat:

Cost, $$2,320,$ usable for eight seasons; $10$ hunting trips per season

$29$

Hunting license:

Cost, $$30$ for the season; $10$ hunting trips per season

Money lost playing poker:

Loss, $$24($Bill plays poker every weekend whether he goes hunting or stays

at home$)$

$3$

$24$

Bottle of whiskey:

Cost, $$15$ per hunting trip $($used to ward off the cold$)$

Total cost

Cost per duck ducks