If Perfect Competition Existed Everywhere,along with Frictionless Exchange,perfect Information,and Constant

Multiple Choice

If perfect competition existed everywhere,along with frictionless exchange,perfect information,and constant returns to scale,______

A) consumers would carry out transactions directly with resource suppliers.
B) firms would not have the information necessary to calculate the marginal productivities of resources.
C) entrepreneurs would be needed to collect information about prices.
D) consumers would produce output and then engage in barter.
E) the economy would be organized into one large firm.