here is a link to the study that the article cites : https://irle.berkeley.edu/wp-content/uploads/2024/09/Sectoral-Wage-Setting-in-California-09-30-2024.pdf
here is a link to the study that the article cites : https://irle.berkeley.edu/wp-content/uploads/2024/09/Sectoral-Wage-Setting-in-California-09-30-2024.pdf
Assuming a linear relationship between price and demand, then if you increase the cost of product, the price where the most profit is generated moves by half of this amount.