Plainwell Polymers is going to producing the main dashboard structure for a new car design. The dashboard will be produced in three colors with expected daily demand as follows:
Black: 485 units/day
Grey: 100 units/day
Tan: 160 units/day
The injection-molding machine can produce a total of 945 parts per day running 24 hours per day.
It costs Plainwell $1,270 to set up each color for producition and the daily holding cost for each part is $0.15. What is the length of the lowest cost cyclic schedule (ignoring setup time constraints) in days?