A manufacture of patent medicines gives 2 dozen extra bottles of the medicine for every order of 15 dozens a discount of 25% is also offered to the trader on one market price is a bottle is marked Rs. 119. Find the price at which a dozen bottle is manufactured if there is no loss in the transition.
(a) 78.70
(b) 78.75
(c) 78.72
(d) 78.74
Sol:
