Which of the Following Statements Is(are)true

Multiple Choice

Which of the following statements is(are) true?
(A) The market share variance is more controllable by the marketing department than the industry volume variance.
(B) The industry volume variance is the portion of the sales activity variance due to a change in the company's proportion of sales in the markets in which they operate.

A) Only A is true.
B) Only B is true.
C) Both A and B are true.
D) Neither A nor B is true.