The four main forms of income that economists have identified include all of the following except

If the marginal social cost exceeds the marginal social benefit for the last pair of shoes produced, then the economy is producing more than the efficient amount

Indicate whether the statement is true or false

A student athlete loves cookies. He receives 200 utils for the first cookie, an additional 160 for the second, an additional 120 for the third, another 80 for the fourth, and another 40 for the fifth. The marginal utility of the fourth cookie is ________

and the total utility of consuming four cookies is ________. A) 40; 80 B) 80; 600 C) 80; 560 D) 40; 40