The predetermined overhead rate for Vaughn Manufacturing is $5, comprised of a variable overhead rate of $3 and a fixed rate of $2. The amount of budgeted overhead costs at normal capacity of $150000 was divided by normal capacity of 30000 direct labor hours, to arrive at the predetermined overhead rate of $5. Actual overhead for June was $13024 variable and $7920 fixed, and 2200 units were produced. The direct labor standard is 2 hours per unit produced. The total overhead variance is O $1056 F. O $2640 U. O $1056 U. O $2640 F.