Bartoletti Fabrication Corporation has a standard cost system in which it applies manufacturing overhead to products on the basis of standard machine-hours (MHs). The company's cost formula for variable manufacturing overhead is $4.60 per MH. The company had budgeted its fixed manufacturing overhead cost at $65,000 for the month. During the month, the actual total variable manufacturing overhead was $22,080 and the actual total fixed manufacturing overhead was $63,000. The actual level of activity for the period was 4,600 MHs. What was the total of the variable overhead spending and fixed overhead budget variances for the month?
a) $1,080 unfavorable
b) $1,080 favorable
c) $920 unfavorable
d) $920 favorable