The following bar chart shows the amount invested by a company in raw material over the duration of six years. Study the bar chart and answer the question based on it.
The sum of amount invested in raw materials in 2016 and 2021 was what percentage of the sum of the amount invested in raw materials in the year 2018 and 2020?
1
77.22%
2
78.36%
3
79.98%
4
79.56%