Individuals rationally choosing career paths should weigh the preparation costs to the potential incomes generated within those careers

________ choose(s) the quantities of goods and services to produce, while ________ choose(s) the quantities of goods and services to buy

A) Firms; only households B) Households; the government C) Households; firms D) Firms; households and the government E) The government; firms

Advertising costs

A) make the marginal revenue more elastic. B) shift the ATC curve upward. C) shift the marginal cost curve rightward. D) indirectly shift the marginal cost curve upward. E) affect the marginal cost but not the total cost.