XYZ company uses a technology for producing its good. This enables the firm to meet the entire market demand at a lower price than its two competitors. What factor makes XYZ company a monopolist? O a....

Extracted text: XYZ company uses a technology for producing its good. This enables the firm to meet the entire market demand at a lower price than its two competitors. What factor makes XYZ company a monopolist? O a. All of these O b. a legal barrier to entry. O c. Knowledge of exclusive production techniques O d. increasing average total costs.