Okay, let’s tackle this. So Tom Fulop has 53 years of experience in interior design, which is extremely rare and valuable. He’s been running his own business, Rockville Interiors and Fabrics, for most of that time. Skills like space planning, residential design, and retail are in demand, but the fact that he’s been doing this for so long and has his own business suggests a high level of expertise. Location is Rockville, MD, which is a relatively affluent area. Interior designers with his level of experience and expertise can charge higher rates. Maybe around $200–$400 per hour? But considering his longevity and business experience, maybe higher. Some top interior designers can charge $500–$750 per hour. Let’s check averages. Interior designers with his level of experience might average $250–$400. So I’ll estimate around $325