The cost of a diamond is directly proportional to the square of its weight.The cost of a 14 gm diamond is ₹ 2560. This diamond got broken down into two pieces in the raiio of 5 : 9. How much loss percent is incurred due to this breakage? (Correct to two decimal places)

A

49.71 percent

B

55.41 percent

C

53.47 percent

D

45.92 percent