4. In 2019 a country had a real GDP of $13.89 trillion and GDP deflator of 110. In 2020 it had a nominal GDP of $17.8 trillion and real GDP of 14.24 trillion. What is the rate of inflation in 2020? 5. AU Land produces only produces only ice cream and cake in the quantities and prices listed below. Use 2015 as the base year. Price of Ice Cream Quantity of Ice Cream Price of Cake Quantity of Cake 2015 $2.00 200 $10 40 2016 $2.30 250 $14 50 2017 $2.75 280 $18 80 a) What was nominal GDP, real GDP, and the GDP deflator for 2015? b) What was nominal GDP, real GDP, and the GDP deflator for 2016? c) What was nominal GDP, real GDP, and the GDP deflator for 2017? d) What was the inflation rate for 2016? e) What was the inflation rate for 2017