How would a distribution operation monitor the quality of service provided by a 3PL service provider? What

Question:

How would a operation monitor the quality of service provided by a 3PL service provider? What types of metrics would be used to measure private operations?
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...