please explain!

Tyler Publishing produces printed books and had the following information available when 8,400 units were made: Administrative wages Wages for factory workers Rent on factory equipment Advertising (variable) Paper and ink Salary of factory manager $16,800 29,400 14,200 3,300 7,700 5,400 If the company uses the cost plus approach to pricing and would like to achieve a 20% profit what price should it set for each of its products? Round your final answer to two decimal places