$(10$ pts$)$ Consider the data in the following table, which represents the total production of the country Byzantium, a

country that produces only consumer goods.

$($a$)(5pts)$ Calculate real GDP for all three years, using $2018$ as the base year. Show your work.

$($b$)(5$ pts$)$ Calculate the consumer price index $($CPI$),$ using $2018$ as the base year. Identify whether there was

inflation from the previous year. Show your work.