i dont understand how to start this, please help explain it to me

Market for Cigarettes Supply 2 Supply 1 $10.00 $9.50 $9.00 $8.50 $8.00 $7.50 $7.00 $6.50 $6.00 $5.50 $5.00 $4.50 $4.00 $3.50 $3.00 $2.50 $2.00 $1.50 $1.00 Demand 11 13 15 17 19 Using the graph above of the market for cigarettes, answer the following questions, a. What is the pre-tax market equilibrium price and quantity? b. How much is the government tax on cigarettes? b. What is the post-tax market equilibrium price and quantity? c. How much of the tax are consumers paying? d. What is the price producers receive after paying the tax