Indicate whether each of the following is a direct cost (D), an indirect cost (ID), or neither (N) and whether it is a variable (V) or a fixed (F) cost. Also indicate whether each adds value (VA) or...

Indicate whether each of the following is a direct cost (D), an indirect cost (ID), or neither (N) and whether it is a variable (V) or a fixed (F) cost. Also indicate whether each adds value (VA) or does not add value (NVA) to the product and whether each is a product cost (PD) or a period cost (PER).a. Production foreman’s salaryb. Straight-line depreciation on office equipmentc. Wages of a production-line worker