A company has a total of x employees such that no two employees have the same annual salary. The annual salaries of the x employees are listed in increasing order, and the 21th salary in the list is the median of their annual salaries. If the sum of the annual salaries of all the employees is $860,000, what is the average (arithmetic mean) of the annual salaries of all the employees?
(A) $19500
(B) $20000
(C) $25000
(D) $30000
(E) $32500
(A) $19500
(B) $20000
(C) $25000
(D) $30000
(E) $32500