1. Speedy Delivery Services has seen changes in its financial performance over the last 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	100	10
2021	120	15
2022	140	20
2023	160	25

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.