MySchool Notebook Company produces custom 3-ring binders with school logos for high schools in the Midwest. They mold binders in four standard colors and then imprint the school's logo on a to-order basis.
The average daily demand for the base color notebooks is as follows:
Green: 440 notebooks/day
Blue: 220 notebooks/day
Red: 290 notebooks/day
Black: 370notebooks/day
MySchool can produce 1, 580 notebooks per 24-hour day.
It takes 8 hours to setup production for another color. Calculate the minimum production cycle time in days.