would you please answer the question. please give a clear and correct answer. thank you!.

Appoline Juices budgeted sales of 87,900 units of Grape, assuming that the company would have 30 percent of 293,000 units sold in a particular market. The actual results were 79,950 units sold by Appoline, which represented a 26 percent share of the total market. The budgeted contribution margin is $11.00 per unit. Required: Compute the sales activity varlance, and break it down into market share varlance and the Industry volume varlance. Note: Indlcate the effect of each varlance by selecting "F" for favorable, or "U" for unfavorable. If there is no effect, do not select elther optlon