Detailed Instructions: The task is to generate the correct answer for a given math problem.
Q: Problem: a bakery has 6 employees . it pays annual salaries of $ 19,000 to each of 2 employees , $ 21,000 to 1 employee , and $ 22,000 to each of the remaining 3 employees . which number is closest to the average ( arithmetic mean ) annual salary of these employees ?
A:
$ 20,800