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Question 4 {Mandatory} {1 point) In which statement is the term "demand" used correctly? (1] An increase in the price of copper will lead to a decrease in the demand for copper. [2) An increase in the price of copper will lead to an increase in the demand for aluminum (a substitute for copped. O neither statement 0 the first statement only 0 the second statement onlyr 0 both statements 0 more information is needed Question 5 {Mandatory} {1 point) Steel is an important input to the production of cars. Tires and cars are used together by consumers. What will occur in the market for tires when there is an increase in the price of steel? 0 Price falls; quantity rises. 0 Price rises; quantity falls. 0 Price falls: quantity falls. 0 Price rises; quantity rises. O No change in price or quantity occurs. Question 6 {Mandatory} {1 point) H H II' N Dollars per unit In G 100 125 150 200 Still] Quantity of energyefcient light bulbs (thousands) FIGURE 3-1 Refer to Figure 31. A shift of the demand curve for energyefficient light bulbs from Dto D2 could be caused by O a change in preferences away from ordinary bulbs to energy-efficient bulbs. 0 an increase in the price of ordinary light bulbs. O a news bulletin stating that energyefficient light bulbs emit a harmful gas. 0 an expectation that new government regulation will require the use of energy efficient light bulbs only. 0 a decrease in the price of energyefficient light bulbs