Krons produces four types of sodas (B1, B2, B3 and B4). The warehouse located in Frankfurt is managed according to a fixed order quantity policy.
Table 1 reports the values of the order sizes (in pallets) and of the safety stocks for each product.
Figures 1-4 report the inventory level over time (in pallets) for the four products. In order to rationalize the warehouse, its manager has chosen a two-class storage policy, where each class is made up of two products.
Determine which is the most convenient combination of the products for each class, with the aim of minimizing the number of storage locations.
