Bluebell Manufacturing bases its manufacturing overhead budget on budgeted direct labor-hours. The direct labor budget indicates that 1,735 direct labor-hours will be required in March. The variable overhead rate is $11.0 per direct labor-hour. The company's budgeted fixed manufacturing overhead is $15,801.4 per month, which includes depreciation of $2,600. All other fixed manufacturing overhead costs represent current cash flows. The company recomputes its predetermined overhead rate every month. The predetermined overhead rate for March should be: O a. $20.11 O b. $7.31 c. $19,091.68 d. $412,962.72