Which of the Following Situations Would Require a Yardstick Report

Which of the following situations would require a yardstick report?

A) Christine reviews the company's financial records to verify the amount the expense for each departmental expense has changed during the quarter.
B) Aki gathers information on three cars to compare price, fuel economy, maintenance, and resale value before selecting a sales car.
C) Vivian presents data supporting the decision to open the company's newest restaurant in Kamloops.
D) Elijah conducts a study to determine whether customers prefer to dine in a restaurant or have food delivered to their homes.