The German offerer will probably perceive chufe machema as a slang term for "freebie" or "gift".
The term is often used in a humorous or ironic way to describe something that is of little value or worth. For example, someone might say "That's just a chufe machema" to dismiss something as being worthless.
In the context of a business offer, a German offerer might perceive chufe machema as a way to sweeten the deal or to make it more appealing. For example, an offerer might offer a chufe machema such as a free product or service to a potential customer in order to encourage them to sign the deal.