Study the following graph to answer these questions:
The percentage profits of four leading airliners A, B, C and D for six years 18 shown in the line graph below.
In 2015 Airliner C invested: an amount of ₹630 crore, $$\frac{2}{3}$$ of this amount was invested by B. A invested $$\frac{3}{4}$$ of the amount invested by B and D invested $$1\frac{3}{5}$$ of A in the same year. The revenue generated by A and D is .......... than that by B and C.