The expenditure of a household for a certain month is Rs. 20,000, out of which Rs. 8,000 is spent on education, Rs. 5,900 on food, Rs. 2,800 on shopping and the rest on personal care. What percentage of expenditure is spent on personal care?

Options

A. `12%`
B. `16.5%`
C. `18%`
D. `21.8%`