tion 20 Given this decision tree, alternatives emanate from: et ered ed out of 4 1 lag question Select one a. the node labeled 2 b. the node labeled B c. the node labeled 1 d. the node labeled 4 ion 21 Which of the following is not a step in setting up a transportation tableau? ered Select one: ced out of a. Create a column for each warehouse being considered b. Add a column and a row for plant capacities and total demands Flag question C. Remove the lowest and highest cost intersections from consideration d. Create a row for each plant being considered