The budget for Department 6 of Cardinal Company for the current month ending March 31 is as follows: Materials $208,000 265,000 67,800 Factory wages Supervisory salaries Depreciation of plant and equipment Power and light Insurance and property taxes 35,000 22,500 15,500 Maintenance 9,700 During March, the costs incurred in Department 6 of Cardinal Company were materials, $204,000; factory wages, $285,000; supervisory salaries, $63,600; depreciation of plant and equipment, $35,000; power and light, $21,360; insurance and property taxes, $14,400; and maintenance, $9,456. a. Prepare a budget performance report for the supervisor of Department 6 of Cardinal Company for the month of March. If an amount box does not require an entry, leave it blank. Use the minus sign to indicate under budget answers. Budget Performance Report Supervisor, Department 6-Cardinal Company For the Month Ended March 31 (Under) Over Actual Budget Budget Budget Materials Factory wages $ Supervisory salaries Depreciation of plant and equipment Power and light Insurance and property taxes Maintenance $ b. Are there any significant variances (5% or greater) of the budgeted amounts that should be examined by the supervisor