The manufacturing overhead budget at pendley corporation is based on budgeted direct labor-hours. the direct labor budget indicates that 8,900 direct labor-hours will be required in august. the variable overhead rate is $5.50 per direct labor-hour. the company's budgeted fixed manufacturing overhead is $133,500 per month, which includes depreciation of $30,260. all other fixed manufacturing overhead costs represent current cash flows. the company recomputes its predetermined overhead rate every month. what should be the predetermined overhead rate for august? a. $5.50 b. $17.10 c. $15.00 d. $20.50