Find the optimal solution for the following problem.
Note: Round your answers to 3 decimal places.
Maximize C = 15x + 17y
subject to 7x + 13y ≤ 20
12x + 9y ≤ 33
and x ≥ 0, y ≥ 0.
What is the optimal value of x?
What is the optimal value of y?
What is the maximum value of the objective function?