UnitCostCustomer $1$Customer $2$Customer $3$Factory $1404780$Use the solver in Excel to find the number of units to ship from each factory to each customer that minimizes the total costFactory $2723658$Factory $3246171$To formulate this transportation problem, answer the following three questions.ShipmentsCustomer $1$Customer $2$Customer $3$Total OutSupplya. What are the decisions to be made? For this problem, we need Excel to find out how many units to ship from each factory to each customer.Factory $10000=100$Factory $20000=100$b$.$ What are the constraints on these decisions? Each factory has a fixed supply and each customer has a fixed demand.Factory $30000=100$c$.$ What is the overall measure of performance for these decisions? The overall measure of performance is the total cost of the shipments, so the objective is to minimize this quantity.Total In$000===$Total CostDemand$2002002000$Range NameCellsUnitCostC$4$:E$6$ShipmentsC$10$:E$12$TotalInC$14$:E$14$DemandC$16$:E$16$TotalOutG$10$:G$12$SupplyI$10$:I$12$TotalCostI$16$