$1.$ To understand what managers do$,$ What is the difference between being efficient and being effective? How would I define the four functions of management? $($Min words $150-200)$

$2.$ As well as variation across the levels of management $($first$-$tier, middle and top$),$ how would you expect the manager's role to vary with the extent to which the organisational environment is changing, such as through new technology, changes in market demand or new forms of competition? $($Min words $200)$

$3.$ Mintzberg$$s study in the $1960$s came up with three important findings about a manager$$s routine. What are they, and are they probably still the same today? $($Min words $150-200)$

Please use the refrence: the text book $($Management: A Practical Introduction $(10$th edition$),$ by Angelo Kinicki & Denise Breaux Soignet, Published by McGraw$-$Hill Education, $2$ Penn Plaza, New York, NY $10121.$ and at least TWO scholarly, peer$-$reviewed journal articles.