Please answer all parts will rate

(a) Develop a network model and a linear programming formulation of this problem. (b) How many units should each plant produce for each customer to maximize profits? (c) Which customer demands will not be met? Distributor 1 will have a shortfall of Distributor 2 will have a shortfall of Distributor 3 will have a shortfall of Distributor 4 will have a shortfall of units. units. units. units