510 50 3.0 6,70 Selling price Direct labor 15 minutes) 2 30 Direct materials (2 meters) 150 Contribution Fixed costs (based on the budgeted monthly output of 20.00 unit) Operating income During fast month, due to an unexpected fall in demand for the product, only 15,00 units were made and sold. The actual results for last month were as follows 3.30 340 153.900 35,040 23,360 Sales revenue Les Direct labor (4.00 hours) Direct materials (32.000 meters) Contribution Fixed costs Operating income 58.400 195.500 (67350 28,150 Required 1. Prepare a statie-budget-based variance analysis of last month's performance 2. Prepare a flexible-budget-based variance analysis of last month's performance 3. Which department manager(s) contributed the most to the success or failure of the budget during the month? Explain your