Your project to establish a knowledge transfer process and a knowledge repository is complete. You performed a number of pilot tests, and people in your company are pleased with the results. You are receiving a promotion to become the company's first Chief Knowledge Officer once the project officially is closed. In doing so$,$ you are following the company's activities fox administrative closure, one of which is$-$

a$.$ Measuring customer satisfaction

b$.$ Measuring the project's benefits

c$.$ Evaluating the change requests

d$.$ Conducting quality control measurements