# Ritz Products materials manager, Bruce Elwell, must determine whether to make or buy a new semiconductor for the wrist TV

## Question:

Ritz Product’s materials manager, Bruce Elwell, must determine whether to make or buy a new semiconductor for the wrist TV that the firm is about to produce. One million units are expected to be produced over the life cycle. If the product is made, start-up and production costs of the make decision total \$1 million, with a probability of .4 that the product will be satisfactory and a .6 probability that it will not. If the product is not satisfactory, the firm will have to reevaluate the decision. If the decision is reevaluated, the choice will be whether to spend another \$1 million to redesign the semiconductor or to purchase. Likelihood of success the second time that the make decision is made is .9. If the second make decision also fails, the firm must purchase. Regardless of when the purchase takes place, Elwell’s best judgment of cost is that Ritz will pay \$.50 for each purchased semiconductor plus \$1 million in vendor development cost.
(a) Assuming that Ritz must have the semiconductor (stopping or doing without is not a viable option), what is the best decision?
(b) What criteria did you use to make this decision?
(c) What is the worst that can happen to Ritz as a result of this particular decision? What is the best that can happen?

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Related Book For

## Operations management

ISBN: 978-0132163927

10th edition

Authors: Jay Heizer, Barry Render

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Question Posted: July 15, 2013 04:47:25