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Just Friend

@emirates.net.ae

Need Help with this please

Can anybody help me in solving this question ?

After raising the price of his/her product by 10 percent in January, your competitor’s revenue in January was reported to be 360,000 USD more than it was in December. The price in December was 100 Dollar per unit. Information on the number of units sold in December or January is not reported.

You know from past records that the own price elasticity of demand for your competitor’s product is -0.80.
Question: How many units did your competitor sell in December and how many units did he/she sell in January?

Hints:
1. Revenue = price times quantity
2. January revenue minus December revenue = 360,000 USD.
3. January price = 1.10 times December price

Thanks


heat84
Bit Torrent Apologist

join:2004-03-11
Fort Lauderdale, FL

I know I could've done this a couple years ago while I was taking microeconomics.

I tried to refresh my memory on elasticity but this page made me go cross-eyed: »economics.about.com/cs/micfrohel···city.htm

I don't remember it being that complicated when I learned it.

Also it is 1:30 in the morning so my mind is far from optimal functioning capacity.
--
Bit Torrent is my DVR.



Cymbaline

join:2004-05-21
H0H0H0
Reviews:
·TekSavvy DSL

reply to Just Friend
Elasticity is represented as a negative.
EOD=%change in quantity sold / % change in price
Change in quantity is unknown (y)
-.80= y /10%
multiply 10% on both sides and we get
-.80 x 10%=y
y=-8%
We're selling 8% less or 92% of original volume at the higher price.
Volumenew=.92 x volume old

(Volumenew X 110) - (volumeold X 100) = 360000
(volumeold x .92 x110) -(volumeold x100) =360000
(volumeold x 101.2)-(volumeold x 100)=360000
volumeold x (101.2-100)=360000
volumeold x (1.2)=360000
volumeold x =360000 / 1.2
Volumeold = 300000 units.
Volumenew=.92 x volumeold = 276000 units

Revenue December was 300000x $100= $30 000 000
Revenue January was 276000 x $110 = $30 360 000



Romney2012
Defeat Obama 2012-Chg we can believe in
Premium
join:2002-03-03
USA
kudos:4

reply to Just Friend
Shouldn't you being doing your own homework?


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