OPEC EBAS When OPEC produces less oil, they decrease the supply, which raises the price The mission statement says they exist to make money, but they do not say it clearly Different. Source C shows OPEC having complete control over the market, but source D shows other countries affect the market as well The information provided in sources A-D is credible Use these sources to respond to the compelling question below What are the advantages and disadvantages of OPEC's controls of the world oil and its prices? 7th grade essay