An isothermal constant holdup, constant throughputs CSTR with a first order irreversible reaction AB is described by the model equations that are first order linear ODEs. dtdCA=(VF+K)CA+VFCAOdtdCB=KCAVFCB The following parameters and steady state input values characterized this system: VF= 0.4 min 1,k=0.4min1 and CAO=2.0gmol/L a) Obtain the transfer function relating CB to CAO i.e. G(S)=CAO(S)CB(S) b) For a step increase of 0.2 gmol/litre in CAO, obtain the corresponding response of CB (t)