A $300bn plan to rebuild Iran. A ceasefire in the Middle East. And a new test for Donald Trump. But can this peace plan really work, and who is paying for it?

In this episode of The Fourcast: Indicators, Matt Frei and Mark Urban examine the signals analysts are watching most closely after the Iran war - from the future of Iran’s economy and nuclear programme, to whether Israel will accept a new regional reality.

They’re joined by Channel 4 News Economics Editor Helia Ebrahimi to ask: who pays for Iran’s reconstruction? Can sanctions be lifted? What happens to the Gulf states? And does this mark a new balance of power in the Middle East?