Battle Creek Cereal Company has four main products: Corn Flakes, Frosted Flakes, Bran Flakes and Strawberry Flakes. The average daily demand for the products is:
Corn Flakes: 900 CS
Frosted Flakes: 1,660 CS
Bran Flakes: 1,615 CS
Strawberry Flakes: 2,800 CS
These products are manufactured on a single assembly line with a daily production rate of 12,075 CS. It costs Battle Creek $1,160 to set up each cereal for producition and the daily holding cost for cereal is $0.05. What is the length of the lowest cost cyclic schedule (ignoring setup time constraints) in days?