The actual selling expenses incurred in March 2025 by Martinez Compary are as follows: 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 $33,600, Depreciation on delivery equipment $6,720, and insurance on delivery ecrilinment soso (a) Prepare a fexible budget performance report for March, assuming that March sales were $163,200.2 ist variabie costs before fored MARTINEZ COMPANY Selling Expense Flexible Budget Report Difference Favorable Unfavorable Neither Favorable nor Unfavorable Budget s $ $ $ s