问题详情

The following statements have been made about planning and control as described in the three tiers of Robert Anthony’s decision-making hierarchy:
(1) Strategic planning is concerned with making decisions about the efficient and effective use of existing resources
(2) Operational control is about ensuring that specific tasks are carried out efficiently and effectively
Which of the above statements is/are true？
A.1 only
B.2 only
C.Neither 1 nor 2
D.Both 1 and 2请帮忙给出正确答案和分析，谢谢！