$124$Chapter $6$IntegerModelingandApplications$6.$ Mellisa Sammut considered her company$$s expansion plans. They producedcomputers and were considering opening warehouses in Madrid, Paris,Frankfurt, Milan, and Vienna. The weekly fixed cost for keeping each warehouseopen is $400$ Euros for Madrid, $800$ Euros for Paris, $500$ Euros for Frankfurt, $600$Euros for Milan, and $400$ Euros for Vienna. Each warehouse can ship up to $100$computers per week. For purposes of calculating shipping costs, she dividedEurope up into $2$ regions. Region one has a demand of $160$ computers per weekand region $2$ has a demand of $110$ computers per week. The table below shows thecosts in Euros to ship one unit from a warehouse to a region. There are severalrestrictions on their plans: