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.
The marginal cost of an item is its variable cost. The marginal production cost of an item is the sum of its direct materials cost, direct labour cost, direct expenses cost (if any) and variable production overhead cost.So as the volume of production and sales increases total variable costs rise proportionately. Valuation of inventory-opening and closing inventory are valued at marginal (variable) cost under marginal costing. 2  The fixed costs actually incurred are deducted from contribution earned in order to determine the profit for the period.