Okay, let’s calculate this. Margaret has a mix of writing, research, and consulting skills, which are valuable in various industries. Her experience at St. Jude Children’s Research Hospital is impressive. Medical writers and researchers can charge higher rates, but her role seems more focused on writing and analysis. Considering her skills and experience, I'd estimate her hourly rate to be around $125, which is lower than what medical writers with more clinical experience might charge. However, it's still a competitive rate for a consultant with her background.