Pramila works in logistics for Subway. She finds the most appropriate forms of transportation at the lowest cost for the various supplies that must arrive at each Subway franchise. Refer to Scenario 13.1. For example, she manages shipments of fresh vegetables, like the shredded lettuce and sliced tomatoes that the stores use on its sandwiches. These items need to arrive quickly and frequently because they need to be replenished often. Pramila recommends delivery by ___________. rail truck ship plane