Which of the following is (are) included in investment? (i) military spending (ii) the purchase of an aircraft by a domestic airline (iii) the purchase of $45,000 worth of bonds (iv) the purchase of $32,000 worth of stock (v) social security payments (vi) the construction of a highway by the federal government (ii) only (i) and (vi) (i), (ii), (v), and (vi) (ii), (iii), and (iv)

scenario: hawaii and south carolina are trading partners. hawaii has an absolute advantage in the production of both coffee and tea. the opportunity cost of producing 1 pound of tea in hawaii is 2 pounds of coffee, and the opportunity cost of producing 1 pound of tea in south carolina is 1/3 pound of coffee. which of the following statements is true? a. south carolina should specialize in the production of both tea and coffee. b. hawaii should specialize in the production of tea, whereas south carolina should specialize in the production of coffee. c. hawaii should specialize in the production of coffee, whereas south carolina should specialize in the production of tea. d. hawaii should specialize in the production of both tea and coffee.