The Consumer’s Utility Function Is =-5(x1)2+24×1+4+x2

The consumer’s utility function is =-5(x1)2+24x1+4+x2 where A=5, b=24, c=4. What is the change in consumer’s surplus when the price of good 1 changes from 3.7 to 6.2?

If your answer is not integer, round it to 2 digits after the decimal point.