tual mochine hours Standard mochine hours allowed Denominator activity (machine hours) Actual fixed overhead costs Budgeted fixed overhend costs Predetermined overhead rate ($2 variable $8 fixed 50 8,750 10 What is the fixed overhead production volume variance? $450 favorable $1.840 unfavorable O $220 favorable O $450 unfavorable O $880 favorable $1,840 favorable. some other amount favorable some other amount unfavorable O $220 unfavorable O $880 unfavorable