(Note: Material, Direct Labor, and Indirect Labor are variable costs. Power, Maintenance, and Supplies are mixed costs.) REQUIRED: Comment to Ms. Garvin on the usefulness or lack of usefulness of the reports in their current format. When would a company want to use a flexible budget as opposed to a static budget? What are the advantages of a flexible budget? Prepare spreadsheet flexible budgets for the two months and compare them to actual costs to determine variances. Then evaluate the plant's performance. Are there any recommendations you might make regarding future performance