A merchant dealer gives successive discounts of 10% and 20% in that order and makes a profit of 20%. what will be the profit if he offers a single flat discount of 30%?
a) 20%
b) 16.67%
c) 18%
d) 14%
e) None of these
a) 20%
b) 16.67%
c) 18%
d) 14%
e) None of these