The following bar graph shows receipts and expenditure of business firm over 5 years. Gain = Receipts - Expenditure.
What is the percentage of increase in expenditure from 2018 to 2019 as compared to 2018?
1
\(6{1\over4}\)
2
\(2{1\over2}\)
3
\(6{2\over3}\)
4
\(8{3\over4}\)