Current Attempt in Progress Bramble Company uses flexible budgets to control its selling expenses. Monthly sales are expected to range from $217,600 to $256,000. Variable costs and their percentage relationship to sales are sales commissions 6%, advertising 4%, travel 3%, and delivery 2%. Fixed selling expenses will consist of sales salaries $44,800, depreciation on delivery equipment $8,960, and insurance on delivery equipment $1,280. Prepare a monthly selling expense flexible budget for each $12,800 increment of sales within the relevant range for the year ending December 31, 2022. (List variable costs before fixed costs)