31. It is an indirect cost , since few merchants try to make people pay the recycling cost. 32. There are also the indirect costs of traffic jams, air pollution, and deteriorating highways and bridges. 33. Not all indirect costs are time related expenses that continue after the original date of completion. 34. For example, variable manufacturing overhead costs are variable costs that are indirect costs , not direct costs. 35. There are other indirect costs as well. 36. But those sums don't begin to cover the massive indirect costs of an auto-based culture, Kunstler says. 37. By April, Pedersen became convinced the ban on such " indirect costs " applied to his work. 38. Indirect costs are more difficult to identify.39. Proportional costs in GPK consists of direct and indirect costs that will vary with the particular output. 40. There are two types of indirect costs .
