16. Market demand is Qd = 520 -3P and market supply is Qs = 2P - 30. The government levies a per unit tax on consumers of the good; the new market demand is Qd' = 490 - 3P. The amount of the per unit tax is a. $10 c. $30 b. $5 d. $20 17. Market demand is Qd = 520 -3P and market supply is Qs = 2P - 30. The government levies a per unit tax on consumers of the good; the new market demand is Qd' = 490 - 3P. The deadweight loss due to the tax is a. $30 C. $90 b. $60 d. $120