762
1 point: Correct axis labels (“Marginal benefit, marginal cost” or “Dollars per unit” on the vertical axis, “Quantity of soccer clinics” or “Q” on the horizontal axis)
1 point: MSC curve horizontal at a height of $80
1 point: MSB curve starts at a height of $160 where the quantity is zero, slopes downward to a height of $60 where the quantity is 10, and then coincides with MPBAustin
1 point: QAustin labeled at a quantity of zero (because MSC exceeds MPBAustin for every clinic)
1 point: QAlly found at the intersection of MSC and MPBAlly and shown on the horizontal axis
1 point: QOptimal found at the intersection of MSC and MSB and shown on the horizontal axis