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: 205 notebooks/day Blue: 225 notebooks/day Red: 150 notebooks/day Black: 565 notebooks/day MySchool can produce 1,640 notebooks per 24-hour day. It takes 8 hours to setup production for another color at a cost of $410. Each notebook costs $0.50 to manufacture prior to printing the logos, and MySchool assumes that the annual holding cost for notebooks is 15% of this cost. Calculate the minimum cost cycle time in days.