Worldwide Cell Phones (WCP) has developed a cell phone that can be used anywhere in the world

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Worldwide Cell Phones (WCP) has developed a cell phone that can be used anywhere in the world (even in countries such as Japan that have a relatively unique cell phone system). WCP has been receiving complaints about the phone. For the past two years, WCP has been test marketing the phone and gathering nonfinancial information related to actual and perceived aspects of the phone's quality. The company expects that, given the lack of competition in this market, increasing the quality of the phone will result in higher sales and thereby higher profits. Quality data for 2015 and 2016 include the following:

2015 ................... 2016

Cell phones produced and shipped...........................$2,000....................$10,000

Number of defective units shipped...............................100........................400

Number of customer complaints..................................150........................250

Units reworked before shipping...................................120........................700

Manufacturing cycle time.....................................15 days....................16 days

Average customer response time.............................30 days....................28 days

Required

1. For each year, 2015 and 2016, calculate the following:

a. Percentage of defective units shipped

b. Customer complaints as a percentage of units shipped

c. Percentage of units reworked during production

d. Manufacturing cycle time as a percentage of total time from order to delivery

2. Referring to the information computed in requirement 1, explain whether WCP's quality and timeliness have improved.

3. Why would manufacturing cycle time have increased while customer response time decreased?

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Cost Accounting A Managerial Emphasis

ISBN: 978-0133138443

7th Canadian Edition

Authors: Srikant M. Datar, Madhav V. Rajan, Charles T. Horngren, Louis Beaubien, Chris Graham

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