The cost price of juice is 50% more than the cost price of lemon soda. A juice seller mixed 120 ml of juice with 30 ml of lemon soda in a glass. By mistake, 50 ml of the mixture from the glass is spilled out, and to recover the loss, he added 30 ml of lemon soda back into the glass. He sold the entire mixture from the glass at a rate 60% higher than the cost price of the juice. Find his profit/loss percentage in this transaction.