Driving 15000 miles, split between city and highway, will require (roughly) 500 gallons in a Corolla but only 325 gallons for a Prius. Say that the government introduces a plan to improve fuel economy in the US as much as if people were moving from Corollas to Priuses. If 10% of all cars (i. e. 24 million of the 240 million out there in 2011) upgrade in this way, and each person drives 15000 miles per year as described above (and all gas comes from the amount imported), then by what percent would US imports of petroleum decrease

Waterway company’s record of transactions for the month of april was as follows. purchases sales april 1 (balance on hand) 672 @ $6.00 april 3 560 @ $11.00 4 1,680 @ 6.08 9 1,568 @ 11.00 8 896 @ 6.41 11 672 @ 12.00 13 1,344 @ 6.51 23 1,344 @ 12.00 21 784 @ 6.61 27 1,008 @ 13.00 29 560 @ 6.79 5,152 5,936 (a) calculate average-cost per unit. (b) assuming that periodic inventory records are kept in units only, compute the inventory at april 30 using lifo and average-cost. (c) assuming that perpetual inventory records are kept in dollars, determine the inventory using (1) fifo and (2) lifo. (d) compute cost of goods sold assuming periodic inventory procedures and inventory priced at fifo.

Suppose that electricity producers create a negative externality equal to $5 per unit. further suppose that the government imposes a $5 per-unit tax on the producers. what is the relationship between the after-tax equilibrium quantity and the socially optimal quantity of electricity to be produced?

What business practice contributed most to andrew carnegie’s ability to form a monopoly?