Harry has never received a notice of audit from the IRS. One of the articles he read on this subject discussed IRS's use of the Discriminant Inventory Function System (DIF). Which of the following statements concerning this program is correct? Question 2Select one: a. It assigns a numeric score to each individual tax return. b. It is used only to compile survey data for a mandatory annual report to Congress. c. It examines newspapers, public records, and data received from individuals to compile a qualitative recommendation as to whether the IRS should proceed with an audit of a tax return. d. It is only used to select returns for a comprehensive audit