Answer:
Available to promise
Explanation:
Available-to-promise (ATP) refers to a function of a business in which the company provides a response to inquires of the order done by the customer that depended on the availability of the resources. Moreover, the quantities are also available based on the customer request and their delivery on due dates
So, the difference between the number of units listed on the master schedule and the number of customer orders is known as available to promise
