Bubble Company produces a variety of bottles from recycled plastic. The company has one Problem S: particular machine on which it can produce either of two types of water bottles, 1-liter bottles or 1/2-liter bottles. The full capacity of the machine is 80,000 hours per year, and Bubble can seli all output at current prices. One unit of the 1/2-liter product requires one hour of machine time per unit of output, and one unit of the 1-liter bottle requires two hours of machine time. Each "unit" is a box that contains 150 bottles