If the supply of and demand for loanable funds both shift left, which of the following necessarily happens?

When a natural monopoly is regulated using an average cost pricing rule, what can you say about the firm's profit and the market's efficiency?

What will be an ideal response?

What do cooperative firms do if they make a profit?

A) Cooperatives never earn profits, so this issue does not occur. B) Cooperatives must pay their profits to the federal governments as a windfall profit tax. C) Cooperatives must keep half of the profits and return the other half to their members. D) Cooperatives generally return the profits to their members as a dividend.