A new student-run tutoring service chooses Enter or Stay Out. Stay Out gives payoffs (0,10) to (Entrant, Incumbent). After entry, the incumbent chooses Fight, giving (-3,2), or Accommodate, giving (5,6). Find the entrant's payoff in the subgame-perfect equilibrium.

Please enter a number only. If your answer is a decimal, round it to no more than two decimal places. Do not include spaces, commas, letters, or special characters such as dollar signs.