kopitiam up prices

My cuppa of kopi up by 10c!

This is outrageous. How can the kopitiams increase my kopi by so much, more than 10%? We must protest to bring down the unjust increase. My pay has not increased and they are already increasing my kopi.

But I would like to offer my secret formula to the kopitiams, at a fee of course, so that when they increase their prices, no one can complain that it is not