Exercise 17-28 (Algo) Industry Volume and Market Share Variances (LO 17-3) Piper Products sold 414,000 units during the last period when industry volume totaled 2.88 million units. The company originally expected to sell 450,500 based on a budgeted market share of 15 percent. The budgeted selling price was \\( \\$ 15 \\) per unit. Budgeted variable costs were \\( \\$ 7 \\) per unit. Budget fixed costs were \\( \\$ 1,850,000 \\) and applied based on units produced. Required: Compute the sales activity variance, and break it down into market share variance and the industry volume variance. Note: Do not round intermediate calculations. Indicate the effect of each variance by selecting \"F\" for favorable, or \"U\" for unfavorable. If there is no effect, do not select either option