Refer to Figure 1-3. Calculate the area of the trapezoid X

Marginal cost refers to the increase in cost attributable to hiring one more unit of labor, capital, or some other input

Indicate whether the statement is true or false

Lack of economic success in many African countries can be attributed to

a. excessive money supply growth b. too-rapid market liberalization c. weak social institutions d. too much state control over agricultural production e. all of the above