Patterson, Incorporated wishes to evaluate, in summary fashion, its financial performance for the most recent period. Budgeted and actual operating results for this period are presented below. Required: 1. What was the actual operating income for the period? 2. What is the firm's master budget operating income? 3. What was the flexible-budget operating income for the period? 4. What is the total master budget variance for the period? 5. What was the sales-volume variance, in terms of operating income, for the period