6 ways. Transactional value. The entire associated costs. Identical product value. If the above isn't known they find identical products. Similiar product

6 ways. Transactional value. The entire associated costs. Identical product value. If the above isn't known they find identical products. Similiar product value. If identical value isn't known they use similiar products. Deductive Method - Most likely price sold Computed Method - Cost of production - expensives Residual Method Of Valuation - based on the relationship of the parties. They inspect, measure, weigh, x-ray and use the existing labeling. They fine those who cheat, etc. Here is a free basic online calculator. https://www.timetrex.com/resources/us-tariff-calculator https://www.timetrex.com/resources/us-tariff-calculator Ideally you buy software with updates or you check the government website but these days you check for executive orders because they change so quick.