Please help me with 2-4!!!!!

. alex much (quantity) is a troy ounce? b) What is the current market (spot) price of a troy ounce of gold? d How much (quantity) is a barrel of oil? d) What is the current market (spot) price of a barrel of oil? e) What is the current market (spot) price of an ounce of silver? 3. In 1913, Andrew Carnegie's net worth was approximately $475 million. In 2018, Mark Zuckerberg's net worth was $58 billion. One dollar ($1) in January of 1913 has the same buying power as $25.76 in September of 2018. Check it by going to http://www.bls.gov/data/inflation calculator.htm a) Calculate the real wealth for Andrew Carnegie. b) Calculate the real wealth for Mark Zuckerberg. d) Who is the wealthier of the two and why? ds English (US) Track Changes: Off