What is said above is correct..When When you are taking PMPM as Prime Minister Prime Minister ( singularsingular), usage of 'Has'has* is correct. But when it's regarding a group like Project Managersproject managers (plural), usage of 'Have'have is right.
It's all about whether it has been referred to a single person or to a group.if If plural, use 'Have'have and if singular use 'Has' that's, use has;that's it.
EgE.g.: Mr
Mr. Jack has a Mercedes Benz car (singular).
Vs. Jack has Mercedes Benz car (singular)
The people who always blame others do not have time to improve themselves (plural)
The people who always blame others do not have time to improve themselves (plural).