An order was placed for supply of carpeat of breadth 3 metres the length of carpet was 1.44 times of breadth. Subsequently the breadth and length were increased by 25 and 40 percent respectively. At the rate of Rs.45 per square metre, what would be the increase in the cost of the carpet?	Choose the correct choice:
A) Rs.1020.6 B) Rs.398.8 C) Rs.437.4 D) Rs.583.2 E) Rs.354.6
Explanation:   Initial area of the carpet = 3 x 3 x 1.44 = 12.96 sq.metres.   Increased area = 3 + 3 x 25/100 x 3 x 1.44/100 + 3 x 1.44 x 40/100   = 375 x 604.8/ 100 x 100 = 22.68 sq.metre   :. Increase in area = 22.68 – 12.96 = 9.72 sq.metre.   Rs.437.4ost of 9.72 sq.metre = 9.72 x 45 = Rs.437.40   Answer: Option Rs.437.4
<result>C</result>
An order was placed for supply of carpeat of breadth 3 metres the length of carpet was 1.44 times of breadth. Subsequently the breadth and length were increased by 25 and 40 percent respectively. At the rate of Rs.45 per square metre, what would be the increase in the cost of the carpet?