Use the simplex method to find the maximum value of P = 3x + 3y subject to these constraints:
3x + 2y ≤ 360
x - y ≤ 60
y ≤ 120
x ≥ 0, y ≥ 0
What is the maximum value of P?
What is the corner point which maximizes the profit?
x = ?
y = ?