Sheridan, Inc. produces three types of balloons-small, medium, and large-with the following characteristics: The company has only 2,000 machine hours available each month. How many units of each type of balloon should the company make to maximize its total contribution margin? (Round answers to 0 decimal places, e.8. 5.275.) The company has only 2,000 machine hours available each month. How many units of each type of balloon should the company make to maximize its total contribution margin? (Round answers to 0 decimal places, eg. 5,275.)