The manufacturing overhead budget at Formica Corporation is based on budgeted direct labor-hours. The direct labor budget indicates that 4,400 direct labor-hours will be required in October. The variable overhead rate is $8.90 per direct labor-hour. The company's budgeted fixed manufacturing overhead is $86,680 per month, which includes depreciation of $16,280. All other fixed manufacturing overhead costs represent current cash flows. The company recomputes its predetermined overhead rate every month. The predetermined overhead rate for October should be: Select one: a. $28.60 b. $19.70 c. $8.90 d. $24.90