4. The Dearborn Bread Company supplies restaurants with burger buns throughout the state of Michigan. The restaurants for a particular warehouse territory are located as shown on the map below. Suppose that restaurant locations and associated number of burger buns (in thousands) for each restaurant represents a single, daily dispatch. If the company has six trucks with capacities of 20 thousand burger buns each, develop a routing plan using sweep" method and place your design on the map. How many trucks are actually used? 20 02 o 03 03 18 Owl 03 o 02 o 16 25 o 14 of 09 03 03 12 02 Miles x 10 10 103 03 Warehouse 15 8 05 4 6 CO 00 4 13 2 2 -14 0 0 10 2 4 6 8 12 Miles 14 16 18 20 22 21 20 10