In a simple economy, people spend their income on burgers, jeans and coffee. In particular, they consume 365 burgers, 365 cups of coffee and 12 jeans. The prices of these goods in 2018,2019, and 2020 are given as follows: 2018 . 10$/burger . 50$/jeans . 1$/cup of coffee 2019 15$/burger . 75$/jeans . 1.5$/cup of coffee 2020 . 22.5$/burger . 112.5$/jeans . 2.25$/cup of coffee Calculate: a. (3 points) Cost of the basket in each of the three periods. b. (3 points) CPI in each of the three periods assuming 2018 is the base year. c. (2 points) Inflation rate between 2019 and 2020, assuming 2018 is the base year. d. (2 points) Inflation rate between 2019 and 2020, assuming 2019 is the base year. e. (5 points) In 2018, Shalin was paid a salary of 65000$. What is, approximately, Shalin's salary equivalent in 2020 dollars