Apple and four publishers are reportedly trying to come up with an agreement that would make both Amazon and European regulators happy, as a way to settle an e-book price-fixing investigation. According to a source speaking to Reuters, Apple and the publishers are proposing a plan under which other e-book retailers—namely, Amazon—could sell e-books at a discount, rather than at the price set by publishers. The European Commission has not yet accepted the offer, according to Reuters, but is informally “market testing the commitments” to see whether such a solution would be workable. Read the full story at ARS Technica.