The following budgeted and actual volume and cost data are for April, 2023: Required: a) Briefly explain the major advantage of a flexible budget as compared to a static budget. b) Using the information above, prepare a flexible budget analysis for April based on actual production in an organized, clear, logical format, identifying all variances and indicating whether they were favorable or unfavorable. Show all calculations. Show per unit amounts for variable costs and totals for both variable and fixed costs