i need help please provide all details and step by step calculations

Section 3: Payroll and Tax Calculations Your department has a total salary budget of $62,500. Among your employees, there is a manager who is allocated a significant portion of this budget. 4. Calculate the manager's salary, given that it constitutes two-tenths of the total salary budget. Apply a GST of 20% and an HST of 10% to the manager's salary to calculate the net salary. Due to company performance, you need to implement a 25% salary cut to manger's salary for the next month. Calculate the new payroll amount. 5. Determine the percentage change in the payroll before and after the salary cut