please show it in excel.

The Distribution Unlimited Co. has two factories producing a product that needs to be shipped to two warehouses . Factory 1 produces 85 units. . Factory 2 produces 65 units. . Warehouse 1 needs 55 units. . Warehouse 2 needs 95 units. There are rail links directly from Factory 1 to Warehouse 1 and Factory 2 to Warehouse 2. . Independent truckers are available to ship up to 50 units from each factory to the distribution center, and then 50 units from the distribution center to each warehouse. The cost varies for different o from F1 to W1: $600 o from F1 to DC: $300 o from DC to W1: $250 o from DC to W2: $400 o from F2 to W2: $500 o from F2 to DC: $700 Question: How many units (truckloads) should be shipped along each shipping lane? Please show the excel model and use solver to solve it