Refer to above transportation problem network; you completed LP formulation correctly, if demand of B2 increased by 30 more units, what will be your course of action? Question 7Answer a. LP formulation remains same only B2 will not get 10 units. b. I will introduce a dummy variable and reformulate LP. c. I will introduce a dummy supply node with a capacity of 10 and from that node an arc to each destination with cost of 100 (minimum among all) and reformulate LP. d. With this change it is not possible to do LP formulation e. I will introduce a dummy supply node with a capacity of 10 and from that node an arc to each destination with cost of 0 and reformulate LP. f. No given choice is correct