Olive Tree Products sold 72,000 units during the last period when industry volume totaled 320,000 units. The company original expected to sell 75,000 based on a budgeted market share of 20 percent. The budgeted selling price was $45 per unit. Budgeted variable costs were $20 per unit. Budget fixed costs were $300,000 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.