The price of oil is increased by 20%. However, the expenditure on it increases by 15%. What is the percentage increase or decrease in the consumption of oil?
1
\(6\frac{1}{4}\% \), decrease
2
\(4\frac{1}{6}\% \), decrease
3
\(14\frac{1}{6}\% \), increase
4
\(6\frac{1}{4}\% \), increase