Sycamore Piastics iSPY is a manufacturer of polyethylene plastic pellets used as a raw material by manufacturers of plastic goods around the United States. SP currently operates four manufacturing centers in Philadelphia, PA, Atlanta, GA, St. Louis, MO: and Salt. Lake City. UT. The piants have different capacities and production costs as indicated in the table below, SP currently has six contract customers located in New York City: Eirmingham. AL: Terre Haute, IN: Dallas. TX: Spokane. WA: and San Diego, CA. Transportation costs between the plants and various customers. as well as contracted demand from each customer, are shown in the table below. Create a solver model and find the optimal solution to help SP develop a distribution plan that will minimize costs to supply the customers' demand Note: Enter your antwers in terms of cott per 1.000lbs and shipment quentities per 1,000 lbs. Round your answers to the nearest whole number. Lenve the celis blonk, whenever zero (0) is required