60. the relative cost z-c for a non-basic variable in a simplex table js zerg then there exsts an aternae optimal solution, provided a) it is starting simplex t

60. The relative cost z-c for a non-basic variable in a simplex table js zerg then there exsts an aternae optimal solution, provided A) it is starting simplex table B) it is optimal simplex table C) it can be any simplex table D) none of these