i need help

Question 2 Suppose the demand for a product is given by P = 40 - 4Q. Also, the supply is given by P = 10 + Q. If a $10 per-unit excise tax is levied on the buyers of a good, then after the tax sellers will receive for each unit of the good. O $16 O $4 O $24 O None of these O $6 Question 3 Suppose the demand for a product is given by P = 30 - 2Q. Also, the supply is given by P = 5 + 3Q. If a $5 per-unit excise tax is levied on the buyers of a good, what proportion of the tax will be paid by the buyers? O None of these O 25% O 40% O 20% O 0% Question 4 Suppose the demand for a product is given by P = 30 - 2Q. Also, the supply is given by P = 5 + 3Q. If a $5 per-unit excise tax is levied on the buyers of a good, the deadweight loss created by this tax will be O $5 O None of these O $2.50 O $16 O $4