Which of the following statements about the system of taxation and revenue administration in the Later Vedic ** is not correct?
(a) Settled life and stable agriculture led to the production of surplus which could be collected by the king in the form of taxes
(b) The king received regular contributions from the people in the shape of bali and shulka
(c) One-sixth of the produce of the land was payable to the king
(d) An official called bhagadugha collected the royal share of the produce
