It depends on your sales volume. Advertising is to increase popularity and sales. The advertising fee should be based on the total sales in the first half of the year. Take out 2% of the net profit to advertise, and ensure no loss. It's not like before. Enterprises advertise everywhere, and customers are no longer interested in advertising. It's best to do on-site promotion in some places that are more suitable for your product sales. Low cost and good effect.