Final answer:
The hiring manager would want to discuss increasing efficiencies in the recruitment and hiring process with the recruiter.
Step-by-step explanation:
The hiring manager would want to discuss increasing efficiencies in the recruitment and hiring process with the recruiter. This is because the hiring manager is concerned about the number of resumes received compared to the number of candidates being interviewed. By focusing on increasing efficiencies in the recruitment and hiring process, the hiring manager can ensure that the right candidates are being selected for interviews, reducing the time and effort spent on reviewing resumes of unqualified candidates.