I need help on this micro question:

Page '16 Use thefollowing information for the next question. Suppose that Isoland is a small economy and that its market for computers can be described by the following domestic demand and supply curves where P is the price of a computer and Q is the quantity of computers: Domestic Demand: P = 12 Q Domestic Supply: P = 2Q You are also told that the World Price of a computer is $2 (unit = thousand dollars). Question 23 (4 points) Suppose the government of Isoland implements a tariff that results in a Deadweight loss of $3. Given this information, how much must this tariff be