1. Green Energy Co. has experienced significant changes in its financial performance over the past four years. The following data represents the company's annual revenue and net income in millions of dollars:

Year	Revenue ($M)	Net Income ($M)
2020	180	22
2021	210	28
2022	240	32
2023	270	36

Using the data provided, plot a line graph showing the trend of revenue and net income over the years. Calculate the average annual growth rate of revenue and net income.