The following are the actual results for Bentler Associates for the most recent period: Sales volume 63,360 units Sales revenue $ 823,680 Variable costs Manufacturing 190,080 Marketing and administrative 38,550 Contribution margin $ 595,050 Fixed costs Manufacturing 371,500 Marketing and administrative 103,450 Operating profit $ 120,100 The company planned to produce and sell 72,000 units for $12.50 each. At that volume, the contribution margin would have been $648,000. Variable marketing and administrative costs are budgeted at 5 percent of sales revenue. Manufacturing fixed costs are estimated at $5 per unit at the budgeted volume of 72,000 units. Management notes, We budget an operating profit of $2.50 per unit at the budgeted volume.

Required: a. Construct the master budget for the period. b. Prepare a profit variance analysis.