Random Riddle: Butter Riddle

A telemarketer’s boss was fed up with his lack of Homemade exotic butters sales. His boss call him into his office. His boss says, if you can bring me one buyer in twenty minutes, you won’t get fired. Nineteen minutes later the telemarketer brings back a cow from the butters farm. He start milking the cow in front of his boss. His boss sees the miss understanding and he lets him keep his job.

What did the telemarketer misunderstand?
 

Random Riddle: Butter Riddle