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Performance Management Question

PPaul11y ago
Hi there, I was doing a MTQ question on the ACCA main site. Here is the data for the question concerned. Nicholson Co Operating data for the year ended 30 November 20X0 Sales revenue $480 million Sales attributable to new products $8 million Average capital employed $192 million Profit before interest and tax $48 million Average numbers of customers 1,960,000 Average number of telephones returned for repair each day 10,000 Number of bill queries 12,000 Number of customer complaints 21,600 Number of customers lost 117,600 Average number of telephones unrepaired at the end of each day 804 One of the Questions is: Average wait for a telephone repair. The answer given by the paper's answer page is 29-30 days. I cannot for the life of me work this out. There doesn't seem to be any way to make it. Thanks. Paul
John MoffatJohn MoffatTutor11y ago#1
10,000 telephones are return each day for repair, and 804 remain unrepaired at the end of each day. Assuming 365 days in a year, it means the average wait is 804/10,000 x 365 = 29.3 days.
PPaul11y ago#2
Holy Moly, I did that calculation and didn't get that answer. I must have been pretty tired and mis-entered the number of zeroes which ended up confusing me, so I started doing other calculations. Feeling stupid now :P Thanks very much, Paul
John MoffatJohn MoffatTutor11y ago#3
No problem - it often happens to me as well :-)
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