Given the linear program
Max3A + 4B
-1A + 2B ≤ 8
1A + 2B ≤ 12
2A + 1B ≤ 16
A, B ≥ 0
a. Write the problem in standard form.
b. Solve the problem using the graphical solution procedure.
c. What are the values of the three slack variables at the optimal solution?