1. How many wheels sets should the manager order?
2. When should the wheel sets be ordered?
Promotional Novelties provides a wide range of novelty items for its corporate customers. It has just received an order for 20,000 toy tractor trailers that will be sold by a regional filling station company as part of a holiday promotion. The order is to be shipped at the beginning of week 8. The tree diagram shows the various components of thetrucks.