The following data are available for the most recent year of operations for Slacker & Sons. The revenue portion of the sales activity variance is $125,000 F. Master budget based on actual sales of 150,000 units: Revenue $ 2,500,000 Materials 850,000 Labor 625,000 Variable manufacturing overhead and administrative costs 125,000 Fixed manufacturing overhead and administrative costs 300,000 Required: a. How many units were actually sold in the most recent period? b. Prepare a sales activity variance for the most recent year for Slacker & Sons.