Folsom Fashions Sells a Line of Women's Dresses

Folsom Fashions sells a line of women's dresses.The company uses flexible budgets to analyze its performances.The firm's performance report for November is presented below:
What additional information would be needed for Folsom to calculate the dollar impact of changes in market share on November's operating income?

A) Folsom's budgeted market share and the budgeted total market size.
B) Folsom's budgeted market share,the budgeted total market size,and average market selling price.
C) Folsom's budgeted market share and the actual total market size.
D) Folsom's actual market share and the actual total market size.
E) There is no information that would make such a calculation possible.