There are several steps you need to follow if you want to report fraudulent or incorrect charges to your credit card company:
1. Evaluate the charge
2. Contact the merchant first
3. Contact the credit card company
4. Mail dispute paperwork
5. Wait for them to investigate your dispute
6. Appeal if necessary
C
the clues that lead to answer C is
1 - joe is an equipment TECHNICIAN who manages special effects.
2 - he installs AUDIO/VISUAL WIRING.
hope this helps
<span>the word that the appositive renames or further identifies - agent</span>
