EXHIBIT $8-3$

Each coffee table produced by Timothy Kent Designers nets the firm a profit of $$9.$ Each bookcase yields a $$12$ profit. Kent's firm is small and its resources limited$.$ During any given production period $($of $1$ week$),10$ gallons of varnish and $12$ lengths of high quality redwood are available. Each coffee table requires approximately $1$ gallon of varnish and $1$ length of redwood. Each bookcase takes $1$ gallon of varnish and $2$ lengths of wood.

$T=$ number of tables produced each week and $B=$ number of bookcases produced each week.

Referring to Exhibit $8-3,$ which of the following constraints would be used?

$1T+2B12$

Maximize $12T+10B$

$10T+12B12$

$1T+1B10$