Throughout history, oil prices have experienced dramatic price changes. Which is NOT an event that led to a sharp fluctuation in the price per barrel?a. OPEC's refusal to sell oil to allies of Israel in 1973 resulting in higher pricesb. the end of the Iran-Iraq war in 1988 resulting in lower pricesc. the Iranian Revolution in 1979 and Iran-Iraq war triggering oil shortages and higher pricesd. control of the supply in Southwest Asia by oil companies in the early 70s keeping prices lowe. removal of all U.S. government subsidies in 1980 to major oil companies like Exxon-Mobil causing increased prices
