Troy buys frozen yogurt from a store. The cost, in dollars, is proportional to the weight, in ounces, of the yogurt, as shown below.



Which point on the graph represents the cost, in dollars, of one ounce of frozen yogurt?

Point A represents the cost of one ounce of frozen yogurt, as it is where the line intersects the y-axis (cost axis) when the weight is 1 ounce.