Use the following graph for a private closed economy (an economy with only a private sector and no international trade) to answer the next question.  In this economy, investment is

All else equal, if oil prices decrease, annual oil consumption will ________ and the years it will take to deplete the stock of oil will most likely ________

A) decrease; increase. B) decrease; decrease C) increase; increase D) increase; decrease

What is the relationship between the marginal cost, minimum supply-price, and supply?

What will be an ideal response?