The demand curve is constructed with which of the following? Question 13 options: a) A negative slope, because with everything else equal, buyers will purchase more of a good when its price is lower b) A positive slope, because as more is purchased of a good, the cost of producing it rises c) A positive slope, because as buyers have more money, more of a particular good will be purchased d) A negative slope, because when people purchase more of a good, the cost to produce that good falls