A business has three plants - in Boulder, Macon, and Gary. The capacities of these plants are 20, 40, and 50 units respectively. These plants supply four demand locations: New York, Fort Worth, San Diego, and Minneapolis. The demands at these centers are 30, 30, 30 and 20 respectively. Which of the following is a valid shipment plan? (Not necessarily optimal - but feasible) New York Fort Worth San Diego Minneapolis Boulder 10 10 5 5 Macon 5 10 5 0 Gary 15 10 10 15