How should the production scheduler sequence the production of these products?

The production scheduler of Scotsburn Dairy in Truro, NS, has just received a list of products and their desired lot size (the first week of MPS) from the operations coordinator to be produced next week. The aggregate plan has specified a 40-hour week (four days of 10 hours each) for next week. In sequencing the production, she schedules the products in the same family ( as determined during MPS), but also tries to assign allergens toward the end of a day and stronger flavours (e.g., mint) after weaker flavours, and to keep availability of ingredients in mind. Suppose the following families, products, and their quantities (in terms of hours of production) have been chosen to be sequenced for production on one of the three lines next week:

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Quantity (in hours Family Product of production) F1 Vanilla-1.89 L Butterscotch-1.89 L 3 F2 Neapolitan-1L 2 Neapolitan-1.65 L 2 Neapolitan-1.89 L 4 F3 Maple walnut-1 L 2 Peanut butter fudge-1.89 L 3 F4 Chocolate-1.89L 5 Chocolate mint chip fudge-1.89 L 2