According to the conditions given in the title, the price of each resume can be calculated as follows: 30 ÷ 9=3.33 yuan (about 3.33 yuan), then the price of each resume is about 3.33 yuan, and the cost of resume includes indirect costs such as required paper, printing consumables and labor costs.

In addition to the cost, there are other factors that will affect the resume price: the market demand for resumes will also affect the selling price. If there is a large demand for resumes in the market, the price may rise moderately; If many competitors in the market provide similar resume printing services, price competition may lead to lower prices; If the resume provides personalized design and professional typesetting, you can add some extra fees to the price.