Teall Corporation has a standard cost system in which it applies manufacturing overhead to products on the basis of standard machine-hours (MHs). The company has provided the following data for the most recent month: Budgeted level of activity 8,600 MHs Actual level of activity 8,700 MHs Standard variable manufacturing overhead rate $ 5.80 per MH Budgeted fixed manufacturing overhead cost $ 51,000 Actual total variable manufacturing overhead $ 52,600 Actual total fixed manufacturing overhead $ 55,100 What was the fixed manufacturing overhead budget variance for the month?a.$4,200 Unfavorable b.$590 Unfavorable c.$590 Favorable d.$4,200 Favorable