1 Free heating degree day and cooling degree day data. 2  Reports and charts for degree days, average daily temperature, cooling degree days, heating degree days, and degree day forecast.  14,000 weather stations in the United States and Canada.
In 2011, the marginal cost of production for oil was $92.26 for the 50 largest listed oil and gas companies, according to the Wall Street Journal.This will climb to $100 a barrel in 2012.n 2011, the marginal cost of production for oil was $92.26 for the 50 largest listed oil and gas companies, according to the Wall Street Journal.
Assume a certain firm is producing Q = 1,000 units of output. At Q = 1,000, the firm's marginal cost equals. $20 and its average total cost equals $25. The firm sells its output for $30 per unit. ____ 25.