The speed of a car is $$1\frac{1}{5}$$ times the speed of a bus. A train covers 1200 km in 15 hours. How much distance will the car cover in 7 hours if the speed of the bus is $$1\frac{1}{4}$$ times the speed of the train?

A

840 km

B

860 km

C

720 km

D

820 km