c$.$ In $2005$ the RAND corporation estimated that it will cost between $$70-95/$barrel to produce Colorado oil shale. More recent estimates are similar. Development of an oil shale project will take decades to complete. In order to invest, a company will need to be confident that the price of oil will remain above the cost of production for several decades. Given the chart of global oil prices since $2010$ from businessinsider.com, would you invest in an oil shale project in Colorado? Explain why or why not. The X$-$axis is year, and the Y$-$axis shows price$/$barrel in $ $(2)$