On a production possibilities frontier (PPF) with Good X on the horizontal axis and Good Y on the vertical axis, we can say that the slope of the PPF (in absolute value) equals the opportunity cost of producing Good X with respect to the production of Good Y. This is true because the slope:

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: