Okay, let’s tackle this. So Yvonne has a strong skill set in strategy, business development, and marketing. Her language skills are also a plus. Location is Belmont, Massachusetts, which is a relatively expensive area. Industry demand for business strategists and marketers is high, especially in start-ups. Based on national averages, a business development manager with similar skills can earn around $100–$150 per hour. Considering Yvonne’s language skills and location, I’ll estimate her rate to be on the lower side of this range. Maybe around $125 per hour, which is slightly below average but still competitive given her skills and location.