"我好心返钱 ， 你倒好 要我50块的一半 ， 你拿75我拿25， 然后税务局再收我50块的33%的税 我拿到手的钱是25-16块=9块 ， 结果你拿75我拿9块， 你不是禽兽是什么"--------- this is called bargaining , I don't want to educate you,
BTW , how do you get those tax data t ? it is absolutely wrong, you are not the tax man.
误导+
狡辩+
骂人 one more time.

STOP