Total number of shares bought by Allen = 1350 Cost of each share bought by Allen = $12 Then The total cost of buying the 1350 shares that Allen had to pay = (1350 * 12) dollars = 16200 dollars The amount at which the shares were sold by Allen = $27000 Amount of profit made by Allen by selling 1350 shares = (27000 - 16200) dollars = 10800 dollars Amount of profit made by Allen on each share = 10800/1350 dollars = 8 dollars So the amount of profit made by allen on each share is $8.