#8 Chapter 9 A manager at White Co. wants to replace an old machine with a new, more efficient machine. White's sales are $200,000 per year. Fixed expenses, other than depreciation, are $70,000 per year. Should the manager purchase the new machine? Use the Relevant Cost Analysis for your answer. Problem #9 Chapter 9 Essex manufactures part 4A that is currently used in one of its products. The cost per unit of this part is: The special equipment used to manufacture part 4A has no resale value. The total amount of general factory overhead, which is allocated on the basis of direct labour hours, would be unaffected by this decision. The $30 total cost per unit is based on 20,000 parts produced each year. An outside supplier has offered to provide the 20,000 parts at a cost of $25 per part. Should we accept the supplier's offer? Problem #10 Chapter 1-12 Define Managerial Accounting on your own words, and also how is it going to be useful for you in the future