Okay, let’s tackle this. So Iwan Riduan has 20 years of experience in marketing, which is a significant amount of time. Location is Samarinda, East Kalimantan, Indonesia, which is a relatively smaller city. Marketing professionals with similar experience in Indonesia might charge lower rates, around $25-$50 per hour, considering the local market demand and cost of living. However, this is a rough estimate and may vary based on specific skills, industry, and company. Let’s assume an average rate of $50 per hour.