Bill has just returned from a duck hunting trip. He brought home 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:

$\backslash$table$[[,,],[$Camper and equipment:,,$],[$Cost$,$ $$11,000$; usable for eight seasons; $14$ hunting trips per season,$$,98],[\backslash$table$[[$Travel expense $($pickup truck$)$:$],[100$ miles at $$0\mathrm{.}39$ per mile $($oas oil and tires$-$ $$0$ nor milo.$]],,],[\backslash$table$[[100$ miles at $$0,39$ per mile $($gas$,$ oil, and tires $$0\mathrm{.}26$ per mile; depreciation and$],[$insurance $$0\mathrm{.}13$ per mile$)]],,39],[$Shotgun shells $($two boxes per hunting trip$),,30],[,,],[$Cost$,$ $$2,400,$ usable for eight seasons; $14$ hunting trips per season,,$21],[\backslash$table$[[$Hunting license:$],[$cost$,$ $$30$ for the season; $14$ hunting trips per season$]],,2],[$Money lost playing poker: $14$ hunting trips per season,,$2],[\backslash$table$[[$Loss$,$ $$24($Bill plays poker every weekend whether he goes hunting or stays at home$)],[$Bottle of whiskev:$]],,24],[\backslash$table$[[$cost$,$ $$15$ per hunting trip $($used to ward off the cold$)]],,15],[$Total cost$,$$$,229],[$Cost per duck ducks