For the following feedback control block diagram, a P-only controller (in which, Gc(s)=Kc) used for a first-order process ((kB=2, p=10 ). (3a) Derivate the transfer function of Y(s)/Ysp(s);(3b) determine the offset of y(t) to a step change of ysp(t) from 0 to A (Hint: calculate ysp()y() )