5. Archer's cost accountant prepared the following static budget based on expected activity of 4,000 units for the May 2023 accounting period: a. If Archer's sales manager were to prepare a flexible budget for expected activity of 4.300 units. budgeted net income on this flexible budget would be? b. If Archer actually produced and sold 4,300 units at $20 each, what is the sales revenue activity/volume variance? Indicate favorable/ unfavorable variances c. If Archer actually incurred the following costs during May 2023: The flexible budget variance for: Indicate favorable/ unfavorable variances for full credit i. Fixed costs: ii. Variable costs