Please provide formulas used to answer the highlighted questions. Formula, showing work, and numeric answer please.

Mikhail Khodorkovsky was one of the infamovs Russian oligarchs, accumulating billions of dollars in wealth in the mid-1990s with the fall of the Soviet Union. But in 2003 he had been imprisoned by the Russian state for a decade for tax evasion. Upon his release from prison in 2013 he had taken up residence in Switzerland - with most of his money. In November 2014 Mikhail held a portfolio of USD 200 million and CHF 150 million in Swiss banks, in addition to accounts in Russia still holding RUB 1.2 billion. Using the exchange rate table, answer the following: a. What is the value of Mikhail's portfolio as measured in Russian rubles? b. What is the value of Mikhail's portfolio as meascred in Swiss francs? c. What is the valve of Mikhail's portfolio as measured in U.S. dollars? d. Which currency demonstrated the greatest fluctuations in total valve over the six dates? b. What is the value of Mikhail's portfolio as measured in Swiss francs? c. What is the value of Mikhail's portfolio as measured in U.S. dollars? F \& d. Which currency demonstrated the greatest fluctuations in total value over the six dates