Okay, let’s tackle this. So Petro has 15 years of experience as a Senior Fashion Designer, which is a significant amount of time. His skills in trend analysis, design, and direction are in demand. However, his location in Cape Town, South Africa might affect his earning potential. Considering his experience and skills, I would estimate his hourly rate to be around $75, which is on the lower end of the scale for a fashion designer with his experience. This rate is likely due to his location and the fact that he is not working in a major fashion hub like New York or London. To give you a better idea, here are some average hourly rates for fashion designers in the US: $50-$100 per hour. However, this rate can vary greatly depending on the specific industry, experience, and location. In South Africa, the average hourly rate for a fashion designer might be lower, around $20-$50 per hour. So, Petro's rate of $75 per hour is reasonable considering his experience and location.