Given Dan's extensive experience in sales and leadership, his rate is estimated to be on the higher side. However, considering his 77 years of experience, which is unusually long for a sales professional, his rate is likely to be lower than that of a typical sales expert. A more realistic estimate would be $100-$200 per hour, considering his age and the fact that he is not actively working in the industry. However, since this is not a typical scenario, I will provide a rate of $150 per hour, which is a rough estimate and may not reflect the actual market rate.