One of your Taiwanese suppliers has bid on a new line of molded plastic parts that is currently being assembled at your plant. The supplier has bid $0.10 per part, given a forecast you provided of 400,000 parts in one year1. 500,000 in year 2; 700,000 in year 3. shipping and handling of parts from the supplier’s factory is estimated at $0.01 per unit. Additional inventory handling charges should amount to $0.006 per unit. Finally, administrative costs are estimated at $30 per month.  Although your plant can continue producing the part, the plant would need to invest in another molding machine, which would cost $20,000. Direct materials can be purchased for $0.06 per unit. Direct labor is estimated at $0.05 per unit plus a 50% surcharge for benefits and, indirect labor is estimated at $0.008 per unit plus 50% benefit. Up-front engineering and design costs will amount to $40,000. Finally, management has insisted that overhead be allocated if the parts are made in-house at a rate of 100% of direct labor wage costs. The firm uses a cost of capital of 16% per year.   a.) Calculate the difference in NPV between the Make and Buy options. Express all costs as positive values in your calculations. It is suggested to use the NVP in Excel (Do not round immediate calculations. Round 2 decimal places  b.)Should you continue to produce in-house or accept the bid from Taiwanese suppliers?

Purchasing and Supply Chain Management
6th Edition
ISBN:9781285869681
Author:Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. Patterson
Publisher:Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. Patterson
Chapter16: Lean Supply Chain Management
Section: Chapter Questions
Problem 10DQ: The chapter presented various approaches for the control of inventory investment. Discuss three...
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One of your Taiwanese suppliers has bid on a new line of molded plastic parts that is currently being assembled at your plant. The supplier has bid $0.10 per part, given a forecast you provided of 400,000 parts in one year1. 500,000 in year 2; 700,000 in year 3. shipping and handling of parts from the supplier’s factory is estimated at $0.01 per unit. Additional inventory handling charges should amount to $0.006 per unit. Finally, administrative costs are estimated at $30 per month. 

Although your plant can continue producing the part, the plant would need to invest in another molding machine, which would cost $20,000. Direct materials can be purchased for $0.06 per unit. Direct labor is estimated at $0.05 per unit plus a 50% surcharge for benefits and, indirect labor is estimated at $0.008 per unit plus 50% benefit. Up-front engineering and design costs will amount to $40,000. Finally, management has insisted that overhead be allocated if the parts are made in-house at a rate of 100% of direct labor wage costs. The firm uses a cost of capital of 16% per year.  

a.) Calculate the difference in NPV between the Make and Buy options. Express all costs as positive values in your calculations. It is suggested to use the NVP in Excel (Do not round immediate calculations. Round 2 decimal places 

b.)Should you continue to produce in-house or accept the bid from Taiwanese suppliers? 

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