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328 PART 2 DESIGNING OPERATIONS Solved Problems Virtual Office Hours help is avallable in SOLVED PROBLEM 87.1 Sara James Bakery, described in Examples S1 and 82, has decided to increase its facilities by adding one additional process line. The firm will have two process lines, each working 7 days a week, 3 shifts per day, 8 hours per shift, with effective capacity of 300,000 rolls. This addition, however, will reduce overall system efficiency to 85%. Compute the expected pro- duction with this new effective capacity. SOLVED PROBLEM S7.2 Marty McDonald has a business packaging software in Wisconsin. His annual fixed cost is $10,000, direct labor is $3.50 per package, and material is $4.50 per package. The sell- ing price will be $12.50 per package. What is the beak-even point in dollars? What is break-even in units