[Solved] Which of the following is true of expressions given off, as defined by Erving Goffman? A) They are usually verbal. B) They are always under the control of the person giving them off. C) They often happen so quickly that the naked eye cannot process them. D) They are typically nonverbal, but observable in various ways. E) They are always misleading. Direct Material Price Variance: The difference between the actual cost of direct materials and the expected (or standard) cost. Direct Labour Rate Variance: The difference between the actual cost of direct labor and the expected (or standard) cost, based on the standard wages paid for that labor. Direct Labour Efficiency Variance: A measure used in management accounting to assess the difference between the actual hours worked and the standard hours expected to produce a certain level of output. Direct Labour Price Variance: The difference between the actual cost of direct labor and the expected (or standard) cost, based on the actual hours worked.