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The following appeared in a memorandum from a member of a financial management and consulting firm:
“We have learned from an employee of Windfall, Ltd., that its accounting department, by checking about 10 percent
of the last month’s purchasing invoices for errors and inconsistencies, saved the company some $10,000 in
overpayments. In order to help our clients increase their net gains, we should advise each of them to institute a policy
of checking all purchasing invoices for errors. Such a recommendation could also help us get the Windfall account by
demonstrating to Windfall the rigorousness of our methods.”
Discuss how well reasoned . . . etc.The argument states that to increase net gains, their clients should
institute a policy of checking all purchasing invoices for errors. The
author bases his conclusion on the account of one employee of
Windfall, Ltd. who claims that Windfall, Ltd. saved around $10,000 in
overpayments by checking one tenth of last month's invoices for errors
and inconsistencies.
Firstly, the argument wrongly assumes that the inconsistencies found
in last month's invoices will be repeated in other months and other
companies. This seems like a stretch. It could be the case that last
month's invoices were just an abberation and usually there are no
errors. This would mean that companies would not really benefit by
overchecking their invoices looking for errors which aren't really
there.
Windfall policy invoices errors
Secondly, the argument assumes that doing a complete check would help
save more money. An implicit assumption here is that there are errors
to be found, which aren't found for lack of checking. But this very
well might not be the case. It might be the case that the number of
invoices with errors which can be found by checking plateau at a
certain percentage. So, it might be unecessary to go through all of
the invoices.
Moreover, the argument does not take into consideration the cost of
checking invoices. It assumes that the money a company would save by
checking invoices (and hence avoiding overpayments, etc.) would be
greater than the cost to the company, a function of employee work
hours, salary, and number of people. It would be critical to know
whether this is really the case.
In conclusion, the argument suffers from three major flaws outlined
above. It fails to take into consideration that the data point might
not indicate a trend, that more thorough checking would help save more
money, and that the cost of checking invoices is less than the money
saved. The argument would be better established if if were based on a
period of data which could help establish a trend. It would also help
to know what the cost to the company for checking invoices is. Lastly,
the argument needs to look into the differences in the kind of
busineeses its clients are into compared to Windfall, Ltd. It might be
the case that Windfall, Ltd. is in a business domain in which this
plicy might be beneficial, but it might not be the case for other
industries such as Aeroplane Manufacturing.
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I'm just noticing the typos