Chemical Kinetics

For an elementary reaction \(2 A+3 B \rightarrow 4 C+D\) the rate of appearance of $C$ at time '\(T\)' is \(2.8 \times 10^{-3} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~S}^{-1}\). Rate of disappearance of \(B\) at '\(t\)' $t$ will be