When would a top-down budgeting be preferable to bottom-up or participative budgeting?  Investigate line-item budgeting. Why is line-item budgeting more prevalent in overnment and nonprofit...

When would a top-down budgeting be preferable to bottom-up or participative budgeting?  Investigate line-item budgeting. Why is line-item budgeting more prevalent in overnment and nonprofit organizations than it is in commercial companies? Explain.