This rate is a very rough estimate based on the limited information provided. Typically, customer service representatives with 12 years of experience can earn between $15-$30 per hour, depending on the industry, location, and company. Since Dena's location is Marysville, Washington, and her experience is in customer service, a rate of $25 per hour seems reasonable, but please note that this is a very rough estimate and may not reflect the actual market rate.