Hello , what can I do for you ?   Hello , I come to pay my water and electricity fees .   Give me your water and electricity bills , please .   Here they are .   You should pay 160 yuan for the electricity fee and 80 yuan for the water fee .   Do you mean that I should pay 240 yuan in total ?   Yes . Will you pay by cash or credit card ?   Cash , please . Here is the money .   I get 250 yuan from you , and this is the change , 10 yuan .   OK . Thank you . Bye-bye . 