The Russian government spent $6.7 billion on Olympic facilities and $16.7 billion upgrading Sochi area infrastructure. Sponsors spent $27.6 billion on hotels and facilities hoping to turn Sochi into a year-round tourist magnet. The Washington Post , February 11, 2014 Was the opportunity cost of the Sochi Olympics $6.7, $23.4, or $51 billion? Explain your answer.