1. 多少钱( Duōshǎo qián) ？ How much money?

一杯咖啡多少钱？( Yī bēi kāfēi duōshǎo qián?)

 How much is one cup of coffee？

2. 贵(guì)      expensive

这个太贵了！(Zhège tài guì le!)

 This one is too expensive !

3. 便宜(piányi)   cheap

太贵了，便宜点。(Tài guì le, piányi diǎn)

 Too expensive, be a bit cheaper.

4. 最低(zuì dī)    the lowest

最低给你一百块。(Zuì dī gěi nǐ yī bǎi kuài.)

The lowest price I can give you is 100RMB.

5.  怎么卖？(Zěnme mài?)     How to sell it ？ How much money is it ?

这个怎么卖？(Zhège zěnme mài?)

  How much is it?

6. 优惠( yōuhuì)   discount

你们有没有优惠？( Nǐmen yǒu méi yǒu yōuhuì?)

 Do you have discounts?

7. 打折 (dǎzhé)   to give discount

可以打几折？ (Kěyǐ dǎ jǐ zhé?) 

How much discount off?