Table 8-5 Each Coffee Table Produced by Timothy Kent Designers Nets the Nets

Table 8-5
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?

A) 10T + 12B ≤ 12
B) 1T + 1B ≤ 10
C) 1T + 2B ≥ 12
D) All of the above
E) None of the above