Cost behavior analysis is a study of how a firm's costs:. A. relate to competitors' costs.
B. respond to changes in the level of business activity.
C. relate to general price level changes.
D. respond to changes in the gross national product.

Which of the following statements about nonverbal communication is most accurate? a. the meanings of some gestures can vary among cultures b. the way an e-mail, letter, memo, or report looks can have either a positive or a negative effect on a receiver c. the manner in which we structure and use time can reveal our personalities and attitudes d. all statements are accurate