MARUSAN has a varied fee structure depending on the type of transaction. For example, equity securities like stocks and ETFs are subject to a commission based on the transaction amount. The commission rate decreases with larger transactions, which is a typical practice in the industry. For foreign currency transactions, the spread varies depending on the currency being traded. In my opinion, while the fees are standard for the industry, the tiered system can be quite complex, so I would recommend reviewing the fee details thoroughly before proceeding with any trades.