The efficient outcome is $25,000 tuition (thousands of dollars per year). For example: 12,345. Just enter the value. Do not include the "$" sign. For values greater than 999, include a comma. The efficient quantity of college students is 30, 35, 40, 45, or 50. In the above figure, the unregulated amount of the public voucher to achieve the quantity (college students per year) is 30, 35, 40, 45, or 50. MB MSB S=MSC and the price the student pays is $.