For the Journal Managers often have to deal with problems. They also write nasty letters, composed chiefly to cover their rear ends. Sometimes, these methods work. This is not problem-solving, but tantrums are one way of doing things.
Negotiation is another way.
This preserves business relationships, rather than rupturing them. It avoids scary increases in your blood pressure. Nevertheless, for many people, negotiation is a mystery. Most people never negotiate. You don't walk into a department store and bargain over the price of a shirt.