To succeed in the years ahead, sales managers will need to learn fresh roles and reinvent some old ones, such as

a$)$ keeping up$-$to$-$date on the latest technologies affecting buyer$-$seller relationships

b$)$ learning marketing and financial skills in order to identify potential business opportunities and recommend competitive strategies

c$)$ working closely with other internal departments as a member of the total corporate team dedicated to satisfying customers profitably

d$)$ all of the above