48. CPM uses constant time, rather than time-cost trade-off.

True

False

56. In the weighted moving average time series only a portion of the demand series is needed.

True

False

57. Six Sigma is more important to a firm because it requires full-time project leaders; whereas Lean systems only rely on part-time project leaders.

True

False

58. Cost of capital is a carrying cost that entails obsolescence costs assigned to items with a high risk of becoming obsolete.

True

False