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Assumption Que: Salesman in the guitar department

Expert replies
by Target2009 » Mon Jul 18, 2011 8:33 am
When the salesman in the guitar department of a music store plays an electric guitar in the showroom, he sells more guitars than when he plays a classical guitar. The music store gives the salesman a 5% commission for every guitar that he sells. It can be concluded that the salesman enjoys playing on an electric guitar more than he does on a classical guitar.

The above conclusion is properly drawn if which of the following is assumed?

A: The number of guitars sold could be increased if there were seperate showrooms for electric and classical guitars.
B: The salesman's enjoyment as a guitarist is based only on the amount of money he earns by playing.
C: The salesman's commission is higher than that offered by most music stores.
D: An electric guitar is a far more versatile instrument than a classical guitar.
E: The skills needed to play an electric guitar are slightly different to those needed to play a classical one.

Source : Master Gmat.
Request: Kindly support your choice with explanation.
Regards
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Source: — Critical Reasoning |

by sumit88 » Mon Jul 18, 2011 9:35 am
When the salesman in the guitar department of a music store plays an electric guitar in the showroom, he sells more guitars than when he plays a classical guitar. The music store gives the salesman a 5% commission for every guitar that he sells. It can be concluded that the salesman enjoys playing on an electric guitar more than he does on a classical guitar.

The above conclusion is properly drawn if which of the following is assumed?

A: The number of guitars sold could be increased if there were seperate showrooms for electric and classical guitars.
B: The salesman's enjoyment as a guitarist is based only on the amount of money he earns by playing.
C: The salesman's commission is higher than that offered by most music stores.
D: An electric guitar is a far more versatile instrument than a classical guitar.
E: The skills needed to play an electric guitar are slightly different to those needed to play a classical one.

Source : Master Gmat.
Request: Kindly support your choice with explanation.
IMO B.

when salesman plays electric guitar --> more sales-->salesman gets more commission -->

Conclusion: salesman enjoys playing classical guitar. This can be true if
[missing assumption]: salesman enjoyment = amount he earns playing, is true.
Take Risks In Your Life If YoU Win, YoU Can Lead ...!! If YoU Loose, YoU CaN Guide ~ Swami Vivekananda
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by HSPA » Mon Jul 18, 2011 9:35 am
It is a battle btw B and D.

I have chosen D. I did liked B except for the word ONLY.
B is a little extreme
First take: 640 (50M, 27V) - RC needs 300% improvement
Second take: coming soon..
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by sumit88 » Mon Jul 18, 2011 9:42 am
But I think in missing assumption type questions "only" if the particular assumption is correct conclusion holds water..

Please correct me if I am missing something..
Take Risks In Your Life If YoU Win, YoU Can Lead ...!! If YoU Loose, YoU CaN Guide ~ Swami Vivekananda
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by ColumbiaVC » Mon Jul 18, 2011 12:02 pm
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by xxpatzz » Mon Jul 18, 2011 12:17 pm
IMO:B

I think D doesn't really provide the assumption that will link salesman's enjoyment and the sales.
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by Target2009 » Tue Jul 19, 2011 6:05 am
OA: B
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by jaguar123 » Wed Jul 20, 2011 1:22 pm
D is irrelevant. B is only answer sensible answer choice left after elemination.
But im not sure if the negation test works for this choice.
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by singalong » Thu Aug 04, 2011 6:23 am
B completely destroys the argument because the argument mentions about the salesman being paid more for electric guitar.D doesn't mention anything about this.D could come as a close second after B I think.
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