Okay, let’s tackle this. So Arthur has a PhD from Harvard, which adds value. He has experience in sales management, marketing strategy, and negotiation, which are in demand. However, his role as 'boss' at bono doesn't provide a clear salary range. Considering his skills and education, I'll estimate his hourly rate to be around $125, which is slightly below the national average for sales professionals with similar qualifications. This rate is also influenced by his location in Marysville, Washington, which is not a major hub for sales professionals. To be on the safe side, I've rounded down from a possible $150-$200 range.