16) Rebus Fashions provides haircuts to men and women. Rebus charges Sl matter what type of haircut the customer selects. Rebus uses an REA database to record information that is important to the firm. Rebus has an M N table named "Customer-Sale" where it keeps information about customer sales. Identify the attribute below that most likely does not belong in the Customer-Sale table. A) Date of sale. B) Time hair cut was finished. C) Price of haircut D) All of the above are appropriate attributes for the Customer table. 17) Many companies sell software, music, or digital photographs over the Internet. They provide each customer with a digital copy of those resources, but not the actual resource itself. How will this company's REA model differ from those selling tangible inventory? A) These companies do not need an Inventory table. B) The structure of Inventory table is completely different from that of mass-produced merchandise. C) The Inventory table is only different in that it doesn't need attributes such as quantity on-hand, quantity-available, reorder point, and standard reorder quantity D) The Inventory table need not include information about the standard list price of each item and its description. 18) The relationship between the Rent Item and Return Item events is most likely 1:1 for all except which of the following reasons? A) A return must be for a rented item B) A rented item can only be returned once. C) Rented items are accounted for separately. D) All rented items must be returned. 19) Using an REA database design, which is the most likely primary key for the Inventory Request Goods table? A) Product number. B) Product number - Purchase order number. C) Product number - Purchase requisition number. D) Purchase order number