Which statement about salesforce training is most accurate?

The training of sales managers is both expensive and extensive, unlike the training of salespeople, which is relatively inexpensive.

A major flaw in the sales industry is a lack of employer$-$sponsored training.

Sales ability is instinctive; it cannot be taught.

Sales force training is an ongoing process that affects both new and seasoned salespeople.

A limitation of sales training is that it is too narrowly focused on "making the sale" rather than learning new business skills.