7) The media selection problem can have which of the following objectives? O A) maximizing audience exposure O B) minimizing advertising costs O C) maximizing profit O D) A and B only8) The marketing research problem has which of the following objectives? 0 A) maximizing audience exposure 0 B) minimizing advertising costs 0 C) minimizing interview costs 0 D) maximizing prot 9) Which of the following statements regarding the Portfolio selection problem is FALSE? 0 A) Decision variables typically involve the amount to be invested in each investment choice. 0 B) Minimizing risk is the most common objective. 0 C) Alternate formulations are possible. 0 D) Maximizing return on investments subject to a set of risk constraint is a typical problem formulation. 10) Which of the following statements is FALSE regarding employee staffing applications? O A) Employee staffing problems can be formulated as assignment problems. O B) The goal of employee staffing problems is typically to determine how many employees need to start their work at the different starting times permitted. O C) The employee staffing problem is a extension of the product mix problem. O D) It is possible to have multiple optimal solutions in employee staffing applications.