Which of the following can be prohibited by a hotel/motel?

A. refusing to allow a guest who wants to pay cash (US currency) to register
B. refusing to allow a 65-year-old guest who arrives with no luggage and a 25-year-old female companion to register
C. require a guest to pay for a meal in its restaurant using a debit card
D. prohibiting an outside food vendor from deliverying food to a guest that the guest has ordered

Option D        

Explanation:

In simple words, the hotel is the property of its owner and each room of its belongs the owner and management but not the guest. Thus, if the owner or management does not want to make any other commercial activity on their ground then the guest cannot do it.

However, hotel or motel could not prohibit cash or card payment from any of the customers as both of these are currency of the nation and is approved by the government.    

the amount of money you earn by working is your income.

the percentage of people actively looking for a job is called unemployment.