Final answer:
To draw the feasible region, plot the constraints on a graph with gunk reduction and economic output. To introduce slack or surplus variables, add them to represent unused resources or excess production.
Step-by-step explanation:
To draw the feasible region, we need to define the constraints and plot the region where these constraints are satisfied. In this case, we have the constraint of reducing gunk (environmental quality) by a certain percentage, and the constraint of maximizing economic output. We can draw a graph with gunk reduction (x-axis) and economic output (y-axis), and plot the feasible region as the area where both constraints are satisfied.
To introduce slack or surplus variables, we can add these variables to represent any unused resources or excess production within the feasible region. These variables help us optimize the production process and track any inefficiencies in resource allocation.