please show me the excel work

Question 2: The Cost-Less Corp. supplies its four retail outlets from its four plants. The shipping cost per shipment from each plant to each retail outlet is given below. Unit Shipping Cost Retail Outlet: 1 2 3 4 Plant 1 2 3 4 $500 200 300 200 $600 900 400 100 $400 100 200 300 $200 300 100 200 Plants 1, 2, 3, and 4 make 10, 20, 20, and 10 shipments per month, respectively. Retail outlets 1, 2, 3, and 4 need to receive 20, 10, 10, and 20 shipments per month, respectively. The distribution manager, Randy Smith, now wants to determine the best plan for how many shipments to send from each plant to the respective retail outlets each month. Randy's objective is to minimize the total shipping cost. Formulate this problem as a transportation problem on a spreadsheet and then use Solver to obtain an optimal solution