Model description (pizza delivery model)+ : Suppose a pizza delivery shop and some customers. Each consumer buys one pizza. And the pizza shop should sell for all consumers. The delivery cost occurs for each customer by 1 per 1 node of travel (This is one-way travel). The production cost (except the delivery cost) and revenue is not changed by the location of the shop. < 2-2. The distribution of contact points is given as the following figure. If the pizza shop can choose its location, which point is the optimal for the shop? (5pt)+ A B C D E F G H I 4 0 0 0 0 0 1 2 2 Number of customers