The price of oil has increased by 20%. However, its consumption decreased by `8 1/3` %. What is the percentage increase or decrease in the expenditure on it?
तेल की कीमत 20% बढ़ गयी है | हालाँकि, इसकी खपत भी `8 1/3` से कम हो गयी है | इस पर किये गए व्यय में प्रतिशत वृद्धि या कमी ज्ञात करें|

Options

A. Increase by 10%/ 10% की वृद्धि
B. Increase by 5% 5% की वृद्धि
C. Decrease by 10% / 10% की कमी
D. Decrease by 5% /5% की कमी