Customizing the OOB Salary grades, Benefits,Earnings,Taxes

Summary:

Modifying OOB Salary grades, Benefits,Earnings,Taxes per custom requirement

Content (required):

Hello All,

I have a couple of questions from my Workforce Requirement to achieve with OOB Workforce

1. Custom requirement to capture salary of the employee by grade, by Job, here in the OOB Workforce captures the salary by grades->No Job

If i have to customize the OOB to capture salary by grade and Job, what changes do i have to make with the forms,Business Rules.

2. Custom budget requirement to capture the benefits, Additional Earning as Flat amount by position.

To acheive this requirement can i make use of the Default Earning /Default Benefits or do i have to create custom forms to accomodate the Benefits and Additional Earning by Position.