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.
Marginal Costing Definition: Marginal Costing is a costing method that includes only variable manufacturing costsâdirect materials, direct labor, and variable manufacturing overheadâin unit product cost. Marginal costing is also called variable costing and direct costing.Marginal cost of the product = Direct materials cost + Direct labor cost + Variable manufacturing overhead cost. Marginal Cost Method (Function and pricing).1  Increase or decrease in total cost of production. 2  Fixed costs cant be changed so only variable costs are Accounted.3  In companies where average costs are consistent.arginal costing is also called variable costing and direct costing. Marginal cost of the product = Direct materials cost + Direct labor cost + Variable manufacturing overhead cost. Marginal Cost Method (Function and pricing).