Okay, let’s tackle this. So Mary Gayle Wessel has 42 years of experience as an interior designer, which is impressive. Her skills include design research, furnishing, rendering, and sustainable design, which are in demand. She is based in Tampa, Florida, which is a growing market for interior designers. According to the Bureau of Labor Statistics, the median annual salary for interior designers in the Tampa area is around $60,000. However, considering her extensive experience and expertise, I would estimate her hourly rate to be around $125, which is slightly higher than the industry average. This rate takes into account her level of experience, skills, and location.