The Stangle Company Had the Following Expectations Required:
(Be Sure to Indicate Whether the Variance Is Favorable

The Stangle Company had the following expectations:
$$\begin{array} { l c } \text { Total market for the product } & 350,006 \text { mits } \\\text { Stangle's budgeted sales } & 108,500\\\text { Contribution margin per unit } & \$ 12.00 \\\text { Actual results for the year were: } & \\\text { Total market for the product } & 332,500 \text { units } \\\text { Stangle's actual sales } & 113,050\end{array}$$
Required:
(Be sure to indicate whether the variance is favorable or unfavorable.)
a. Compute Stangle's sales activity variance.
b. Compute Stangle's market share variance.
c. Computer Stangle's industry volume variance.