A deadweight loss is the total of: (a) Consumer and producer surplus when all mutually profitable gains from trade are exploited (b) Consumer and producer surplus when all mutually profitable gains from trade are not exploited (c) Lost consumer and producer surplus when all mutually profitable gains from trade are exploited (d) Lost consumer and producer surplus when all mutually profitable gains from trade are not exploited

Salge inc. bases its manufacturing overhead budget on budgeted direct labor-hours. the variable overhead rate is $8.10 per direct labor-hour. the company's budgeted fixed manufacturing overhead is $74,730 per month, which includes depreciation of $20,670. all other fixed manufacturing overhead costs represent current cash flows. the direct labor budget indicates that 5,300 direct labor-hours will be required in september. the company recomputes its predetermined overhead rate every month. the predetermined overhead rate for september should be: