_____ use several statements describing each trait to produce a final score for that trait.

In the customer support center where Carl works, employees are taught to make conversation to put customers at their ease. As customers don't like being kept waiting, they must also try to minimize the time that customers spend waiting for service

Thus, when there are a number of customers lined up, Carl usually has to decide whether to answer a customer's questions in detail or move on quickly to the next customer. The firm's standards are not clear on how they want him to perform. When asked, his boss answers, "You make the decision." This is an example of which service-quality gap?

A promissory note differs from a bill of exchange in that a promissory note ________

A. cannot have a fixed date for payment B. is not a written order to pay C. is a two-party instrument D. is always paid on demand