Chemical Kinetics

For a chemical reaction

4A + 3B \(\to\) 6C + 9D

Rate of formation of C is 6 \(\times\) 10^\(-\)2 mol L^\(-\)1 s^\(-\)1 and rate of disappearance of A is 4 \(\times\) 10^\(-\)2 mol L^\(-\)1 s^\(-\)1. The rate of reaction and amount of B consumed in interval of 10 seconds, respectively will be :