The perimeter of a triangular field is 540m. The sides are in the ratio 25:17:12. Find the area and the cost of cultivating the field at Rs. 24.60 per 100m².

A) Area = 1152m², Cost = Rs. 283
B) Area = 1296m², Cost = Rs. 319
C) Area = 1440m², Cost = Rs. 354
D) Area = 1584m², Cost = Rs. 389