3. Maxx Private limited stocks and distributes consumer items. It wants to maintain optimum inventory level of a regular selling item, so as to reduce the inventory cost. This item has a maximum daily demand of 15 units and a maximum lead time of 23 days. It also has an average daily demand of 7 units. Suggest the following:

a. How Maxx can calculate the optimal level of inventory for this item.

b. The steps that Maxx needs to take to manage its inventory for multiple-items in multiple locations.