Study the “Report of independent registered public accounting firm” in the TELUS annual report and answer the following questions about TELUS’s internal controls and cash position:

1. What is the name of TELUS’s outside auditing firm? What office of this firm signed the auditor’s report? How long after TELUS’s year end did the auditors issue their opinion?

2. Who bears responsibility for the financial statements? How can you tell?

3. Does the auditor guarantee that internal controls are effective? Explain.

4. By how much did TELUS’s cash and temporary investments balance change during 2020?