Y (m) 15 The following figure shows the unit-step response of a system. et ered 1.8 ed out of 1.6 ************** question 1.4- 1.2 0.8*** 0.6 04 0.2 9. Time (s) 10 The steady state error is: Select one:,, O a.zero Ob. There is no meaning for steady-state error in this case O citis not clear yet from the figure Od.50% Oe 10%