In the production mix problem, the meaning for the value of a dual variable is the marginal increase of the profit for t

[answerhappygod]

In the production mix problem, the meaning for the value of a
dual variable is the marginal increase of the profit for the
furniture company from one unit increase in the corresponding
resource. Specifically, the dual variable is $10 for one hour
increase in the carpenter's time, $10 for one hour increase in the
painter's time, and $0 for one hour increase in the metal worker's
time. What is the meaning of the value of a dual variable in the
diet problem for making dog food from beef and grain? Specifically,
specify the respective meanings of the dual variables for the
requirements on vitamin1 and 2 and the total number of pounds of
the dog food?