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OPIM101 - Spring 2012 - R1 exercise - solutions

OPIM101 - Spring 2012 - R1 exercise - solutions - OPIM 101...

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OPIM 101 - Spring 2012 Recitation 1 Exercise - SOLUTIONS Section # (201,202,…,214): _____________ Instructor (circle): Balas Fishman Horowitz Saunders Shah Zhang PennCard Last Name: PennCard First Name: PennId: Place your answers in the boxes provided. Q1 A Rhode Island company produces communion wafers for churches around the country and the world. The little company produces a lot of wafers – more than 400 million per year. When in production, the process produces wafers at the rate of 90 per second. During this production process the wafers must spend 15 minutes passing through a cooling tube. How many wafers does the cooling tube hold on average when in production (in other words, don’t count the time they are not in production)? Assume the company produces 250 days a year and 6 hours during each of those days. I = R * T R = 90/sec T = 15 * 60 = 900 seconds I = 90 *900 = 81,000 Q2 Suppose a retailer’s annual inventory turns is 4.5. What is its days-of-supply of inventory? Assume 365 days per year.
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