You borrowed a portable speaker from the university equipment desk for a student event. The speaker worked at first but stopped working halfway through the event. You are due to return it tomorrow. Write to the equipment coordinator, Mr. Owens.

In your email, do the following:

• Describe what happened and how you checked the problem.
• Explain how the problem affected your event.
• Ask how to return the speaker and report its condition.

Write as much as you can, in complete sentences.