Answer:
3750
Explanation:
average of 25 salaries = 2500
average of 25 = total payroll of 25/number of employees
2500 = total payroll of 25/25
total payroll of 25 = 2500 × 25
total payroll of 25 = 62500
total payroll of all 26 = total payroll of 25 plus manager
total payroll of all 26 = 62500 + 35000 = 97500
overall average = 97500/26
overall average = 3750