Consider a continuous-time system with the closed-loop transfer function

= S T(s) =3 +45 + 8 Using a zero-order hold on the inputs and a sampling period of 7 = 0.02 s, determine which of the following is the equivalent discrete-time closed-loop transfer function representation: a. T(z) = b. T(z) == c. T(z) = d. T(z) = 0.019z -0.019 z + 2.76 0.87z + 0.23 z - -0.14z + 0.24 0.019z z - - 0.019 1.9z + 0.9 0.043z - 0.02 z + 1.9231