Answer:
a. support department allocations
Explanation:
These costs are known as support department allocations or service department charges. Every company tends to have these costs since this applies to any department or third party which provides the company with a service. Many times this mainly refers to manufacturing departments and production departments since both provide a service that every company needs in order to obtain their desired product.
Answer:
rebate
Explanation:
Rebates are used in marketing as discounts for qualifying customers. Instead of offering a general broad discount to every customer, when companies use rebates they can decide what type of customers will receive them. Even some customers that could qualify for the rebate wouldn't get it, since they need to send a form provided by the company and not everyone will be willing to do it.