I need some clarification with this

S PI P3 P2 PW:T Pw D Po Rectangular Q 0 Q4 0 Q1 Q2 Q* Q3Consider the domestic market for Good X in Country A, graphed above. P0=$2, P1=$8, P2=$6, P3=$7, P*=$5, Pw=$3, Pw.T=$4= Q1 =50, Q2=100, 03:200. 04:250, and Q*=150. The world market outside oountryA observes a price PW for Good X. The government can potentially impose a $1 per unit tariff on Good X, identied above by PW,T' When international trade is allowed without the tariff imposed, what is the total producer surplus? {Do not include the dollar sign $ in your answer)