Answer:
a. same product mix, different total profit.
Step-by-step explanation:
Data provided in the question
Orginal amount of a resource = 4 lbs
Range of feasibility is from 3 lbs to 6 lbs
Based on the above information, the increasing amount of this resource is the product mix remains the same but the total profit is different in the case of feasibility as we can see that the range of feasibility contains from 3 lbs to 6 lbs and for computing the maximizing profit level, the one that contains the biggest value or highest value for selecting the objective function