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

B $=$ number of bookcases produced each week

Referring to Table $8-5,$ which of the following constraints would be used?

Group of answer choices

$1$T $+2$B $<=12$

$9$T $+12$B $<=12$

$1$T $+1$B $>=10$

$9$T $+1$B $<=10$