How can I, or am I able to find anything on a way of RE-Pricing be done in a QUOTATION?

You can always 'Update" pricing manually in a quotation the same way you do in a sales order, either in create or change modes. Menu path Edit --> New Pricing or press the 'Update pricing' button on the item conditions tab. 

If you are asking how to reprice a quotation when it converts into a sales order, that can be done with the copy controls of the Item Category. IMG: Sales & Dist --> Sales --> --> Maintain Copy Control for Sales Docs --> Sales Doc to Sales Doc (transaction vtaa). Just choose the combination of documents and the respective item category. The field you need to be concerned with is "Pricing type". 

However, from a business process perspective it makes absolutely NO sense to reprice a quotation when converting to a sales order. After all, the entire point of using quotations is to firm up details like pricing before creating the sales order.

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