In a competitive market, if buyers did not know all the prices charged by the many firms, O A. the number of firms will most likely decrease. OB. firms sell a differentiated product. OC. all firms still face horizontal demand curves. O D. demand curves can be downward sloping for some or all firms

In a competitive market, if buyers did not know all the prices charged by the many firms, O A. the number of firms will most likely decrease. Q B. firms sell a differentiated product. O C. all firms still face horizontal demand curves. O D. demand curves can be downward sloping for some or all firms