Devin Company has the following data for their budget and actual performance. Actual- Master Budget- Master Budget Variance Sales 151741 155481 ? Variable Costs 69789 63613 ? Fixed Costs 11345 13427 ? What is the operating income master budget variance? If it is an unfavorable variance use a negative sign immediately before your answer. Hint: Remember you'll need to calculate budgeted and actual operating income before you can determine the operating income master budget variance.