The actual selling expenses incurred in March 2020 by Fallon Compary are as follows. (a) Prepare a flecible budget performance report for March, assuming that March sales were $167, 800 . Variable costs and their percentage relationship to sales are sales commissions 7% advertising 7%, traveling 5% and delivery 2%. Fived selling expenses will consist of sales salaries $35,400, Depreciation on delivery equipment $7,500, and insurance on delivery equipment $2,000. (List variable costs before fixed costs] (b) Prepare a flexible budget performance report, assuming that March sales were $175,400 (List variable costs before fived costs