What are the two main callegories of participants in markets? OA Fifths and households O B. Domestic participants and international participants. C. Households and eritrepremieurs. OD. Households and batiks OE. Firms and the government. Which participants are of greatest importance in determining what goods and services are produced? O A. The financial sector. O B. Firms C. The government O D. Entrepreneurs. O E. Households