Okay, let’s tackle this. So Martha Parr has experience in mediation and arbitration, which are in demand. Her location in Plymouth County, Massachusetts, is near Boston, which is a hub for legal services. Legal professionals with her level of experience, especially in ADR, typically charge higher rates. Maybe around $300–$500 per hour? But considering her expertise, maybe higher. Some top mediators/arbitrators can charge $600+. Let’s check averages. Mediators with her background might average $400–$600. So I’ll estimate around $450