A monopolist who does not price discriminate, that is: (w) cannot maximize profit by producing where demand is unitarily elastic. (x) will maximize profit where demand is unitarily elastic when all costs are fixed. (y) will maximize profit where demand is unitarily elastic when all costs are variable. (z) will maximize profit where demand is unitarily elastic when this has fixed and variable costs.
Please choose the right answer from above...I want your suggestion for the same.