A profit-maximizing monopolist will certainly be capable to generate economic profits when, at certain level of output: (w) average fixed costs [AFC] are very high. (x) average total costs [ATC] lies above the demand curve. (y) average total costs [ATC] lies below the demand curve. (z) average variable costs [AVC] are above the minimum of the marginal cost curve.
Please choose the right answer from above...I want your suggestion for the same.