Maximize
  4 Latte + 5 Esp
Subject To
  Acidity: 1 Latte + 2 Esp - Ac = 0
  Coffee: 1 Latte + 1 Esp - Co = 0
  Milk: 2 Latte + 1 Esp - Mi = 0
Bounds
  Ac <= 8
  Co <= 5
  Mi <= 8
End