Final answer:
To discuss United Healthcare's last two quarterly earnings calls and review the past two annual financial reports, you can find the transcripts or recordings of the earnings calls and refer to the company's official website or financial news sources for the financial reports.
Step-by-step explanation:
United Healthcare is a company in the healthcare industry. In order to review their last two quarterly earnings calls, you would need to look for the transcripts or recordings of these calls. By analyzing these calls, you can gain insights into the financial performance of the company and any important updates or announcements. Similarly, to review the past two annual financial reports of United Healthcare, you can refer to the company's official website or financial news sources where these reports are usually published.