Reidenbach corporation applies manufacturing overhead to products on the basis of standard machine-hours. the budgeted fixed manufacturing overhead cost for the most recent month was $17,100 and the actual fixed manufacturing overhead cost for the month was $17,450. the company based its original budget on 4,500 machine-hours. the standard hours allowed for the actual output of the month totaled 4,810 machine-hours. what was the overall fixed manufacturing overhead budget variance for the month? a. $1,178 favorable b. $350 favorable c. $350 unfavorable d. $1,178 unfavorable