How can Human Resources $($HR$)$ at Capital One build a case for providing access to the Oneplace social networking system to former employees of Capital One or people who would like to learn more about the company?

a$.$ use analytics to show reductions in costs for hiring, severance, and training

b$.$ measure the impact on the timing and delivery of output

c$.$ identify new market opportunities created by the expanded social network

d$.$ conduct due diligence in estimating employee$-$related costs