After fixing a hard drive problem by replacing the drive and data, the technician asks the customer to verify that the system is working. The customer says the computer now seems to have a sound problem, and the system volume cannot be increased. The technician tells the customer that this is not important because they don't use sound very often. What operational procedure is the technician failing to meet? A O Don't disclose experiences via social media outlets B O Don't dismiss a customer problem C O Document and provide feedback D O Avoid arguing with the customer