Answer the question based on the table below.PriceQuantityTFCTVC$55$25$10510252051525505202560At what point on the table would a purely competitive firm cover all of its costs and earn only normal profits? 

To measure the effect of debt in an economy, economists use a standard measure which involves the ________ relative to the GDP

A) stock of debt B) stock market activity C) outstanding government bonds D) capital stock of equipment

The figure above shows the marginal social cost of generating electricity and the marginal private cost. For 4 billion kilowatts, what is the marginal external cost?

A) $0.12 B) $0.08 C) $0.04 D) $0.00 E) $0.20