make a offer!
what is the price you offer?
HOW MUCH IS IT?IT IS CONVENTIONAL ONE.THAT IS ENGOUGH!
通俗的说法:How much?
通常的说法:How much do you have on offer?
稍正规的说法:What is your offer?
正规的说法:What would be your best offer on hand?
超正规的说法:What do you have in mind on offer that would both satisfy your needs and increase my interest in this offer?
what's your offer?
How much is your bid ?
参考资料：书