4. Answer using the following information: Barrel price Quantity demanded Quantity supplied (dollars) (millions) (millions) $78.00 50.00 1620 $156.00 45.00 31.80 $234.00 40.00 4?.40 $312.00 35.00 63.00 $390.00 30.00 38.60 3.. Calculate the demand and supply equations; b. Solve for the market equilibrium; c. Compute the consumer surplus; d. Estimate the producer surplus; e. Calculate the total surplus; r. If government levies a barrel tax of 16%, solve for the new market equilibrium; g. If government levies a barrel tax of 16%, compute consumer surplus and producer surplus; h. If government levies a barrel tax of 16%, estimate the tax revenue; i. If government levies a barrel tax of 16%, calculate the deadweight loss; j. If government levies a barrel tax of 16%, compute the total surplus