The $70$ percent fall in the price of crude oil of oil $$ If the price rises back to $$80$ a barrel, investment and produc

A$.$ does not have any effect on the market for oil because the stock of oil never changes; increase

B$.$ decreases the quantity of oil supplied; increase

C$.$ decreases the supply of oil in the short run; increase

D$.$ decreases the quantity of oil supplied; decrease

E$.$ decreases the supply of oil in the short run;