Why Are Interim Quality Standards Goals Utilized

Why are interim quality standards goals utilized?

A) For many companies,materials and services purchased are from outside parties and those suppliers need to be involved in the quality program.
B) Internal employees of the company need to develop confidence of a flexible budgeting program.
C) Interim standards allow management to see progress towards the short-term goal.
D) Interim standards convince people within the company of the need for cost improvement.