Which of the following are prerequisites to run a successful bidding process?

Detailed Explanation:

A (Purchase value): A competitive bidding process is only justifiable when the cost of running it is outweighed by its potential value.

B (Qualified suppliers): Ensuring a sufficient number of capable suppliers promotes competition and delivers better results.Restricting suppliers (C) or rigid timeframes (D) can hinder the process, while subcontracting (E) is not a core consideration in most bids. Reference: CIPS Level 4, Bidding and Tendering.