Choice "A" is correct. Standards imposed by management without employee input are referred to as authoritative standards.Choice "b" is incorrect. Standards imposed by management without employee input are referred to as authoritative standards. Standards developed in collaboration with employees involved with the work are referred to as participative standards.Choice "c" is incorrect. Ideal standards are based on optimum conditions. The question gives no indication whether the assumptions used by the engineering group were based on optimal, normal, or less than optimal conditions.Choice "d" is incorrect. Attainable standards represent per unit budgets that assume normal conditions. The question gives no indication whether the assumptions used by the engineering group were based on optimal, normal, or less than optimal conditions.