Question 39 Problem 5-5 Choose the appropriate cost category: Marketing costs Period Cost Product Cost Neither Question 40 Problem 5-6 Choose the appropriate cost category: Sales Commission Variable Cost Fixed Cost Neither Question 41 Problem 5-7 Choose the appropriate cost category: Rent on factory building Variable Cost Fixed Cost Neither Question 42 Problem 5-8 Choose the appropriate cost category: Salary of the president's secretary Variable Cost Fixed Cost Neither