options: f : thank you . i will pay only 78.4 yuan then with 10 % discount . f : thank you . i will pay only 78.4 yuan then . f : thank you . i will pay only 88.2 yuan then . f : the pen does n't have a discount or anything ? it will be 98 yuan right ?
article: f : the pen costs 98 yuan , but i do n't have so much money on me . m : do n't worry . i 'll give you a 20 % discount .