A school has 20 teachers who work on a fixed salary of 900. The ministry recruits 5 new teachers whose salary is not yet fixed by the human resources department. However, during month-end processing, the human resources department generates several reports to reconcile the financial data of the school. What is the output of the below query? SELECT count(*),count (salary) FROM Teachers; O a. 25,20 O b. 20,20 O c. 25,25 O d. 20,25