The length of a rectangle is increased by 15% and its breadth is decreased by 20%. What is the effect on its area?
Choose the correct choice from the following options:  A) 1288  B) 1299  C) 1000  D) 10000  E) 9200
100 * 100= 
<gadget id="calculator">100 * 100</gadget>
<output>10_000</output>
10000   115 * 80= 
<gadget id="calculator">115 * 80</gadget>
<output>9_200</output>
9200   Answer: 9200
<result>E</result>
The length of a rectangle is increased by 15% and its breadth is decreased by 20%. What is the effect on its area?