Problem 4 (25 points) Apply the Savings Heuristic to the following Vehicle Routing Problem. Curry Propane has five local customers with deliveries scheduled on the first day of the month (every month). The propane delivery truck has a capacity of 1200 gals. The customer demands (in customer sequence 1-5) are: 550, 400, 650, 250, and 300. The distances from customer to customer is given below (the depot or home site for Curry Propane is labeled as Customer Depot;
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