Reduce the given block diagram to find the transfer function Y(s)/(R)(s).
A) Y(s)/(R)(s) = 1/(1 + G(s)*H(s))
B) Y(s)/(R)(s) = G(s)*H(s)/(1 + G(s)*H(s))
C) Y(s)/(R)(s) = H(s)
D) Y(s)/(R)(s) = G(s)