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a. How do the direct material price variance, direct material quantity variance, direct labor rate variance, and direct labor efficiency variance relate to each other? (How might the cause of one variance relate to the cause of another variance?) Discuss. Give three examples

b. What is a segment in a company? Give some examples. How do you calculate Segment Margin? What does a negative segment margin indicate?

c. How is fixed manufacturing overhead handled under the variable costing method and the absorption costing method?