UnitCostCustomer $1$Customer $2$Customer $3$Factory $1404780$Factory $2723658$Factory $3246171$ShipmentsCustomer $1$Customer $2$Customer $3$Total OutSupplyFactory $10000=0$Factory $20200200400=400$Factory $320000200=200$Total In$200200200===$Total CostDemand$20020020023600$ To make "the solver" you should: $1.$ Add the Solver$2.$ Now Click the Solver $($the Data tab$)$