A luxury perfume costs $1200. The store owner decided to increase its price by 10% so that he could earn more profit. Few weeks had past but the perfume was still not sold. So, the owner decided to lower the price by 15%. By how much was the final price lower than the original price?
There was a $1200 x 10/100 = $
<gadget id="calculator">1200*10/100</gadget>
<output>120</output>
120 increase of the original price.
So, the perfume was priced for $1200 + $120 = $
<gadget id="calculator">1200+120</gadget>
<output>1_320</output>
1320.
Then, 15% of the new price is $1320 x 15/100 = $
<gadget id="calculator">1320*15/100</gadget>
<output>198</output>
198.
So, the final price is now $1320 - $198 = $
<gadget id="calculator">1320-198</gadget>
<output>1_122</output>
1122.
Therefore, the final price is $1200 - $1122 = $
<gadget id="calculator">1200-1122</gadget>
<output>78</output>
78 lower than the original price.

<result>78</result>