When the price of a toy was increased by 20%,the number of toys sold was decreased by 15%.What was its effect on the total sales of the shop?
जब किसी खिलौने के मूल्य में 20%. की वृद्धि हुई, तो बेचे गये नये खिलौने की संख्या 15% कम हो गयी। दुकान की कुल ब्रिक्री पर उसका क्या प्रभाव पड़ा?

Options

A. increases by 2% /2% की वृद्धि
B. decreases by 2%/2% की कमी
C. increases by 4%/ 4% की वृद्धि
D. decreases by 4%/ 4% की कमी