Practice - 2.2: Prepare a personal cash flow statement, and e... Q 2.27: Tamara paid $240 for groceries, $500 for rent, and $120 for gas during the week. She also received her weekly salary of $650 and an interest payment of $15. Which of the following statements is incorrect? A Salary is a cash inflow. B Gas expense should be considered a variable expense. Grocery expenses should be considered a fixed expense. D Rent expense can be considered a fixed expense