a financial analyst in Guatemala needs to adjust the nominal GDP for the years 2010 and 2020 into real terms to calculate the real gain in GDP. phenomenal GDP in 2010 was $.672 trillion and $1.69 trillion for 2020. the real interest rate was 6.79% in 2010 and 3.71% in 2020, the 2010 deflator was 24 and the 2020 deflator was 51. What was the real gain ? ( in percent)