 Hello and welcome to World Business Report here on the BBC World Service. I'm Rahul Tandon. Plenty on this edition. We'll be hearing from a donor to President Biden in a few minutes time. And we're also going to look at the falling cost of lithium batteries and what that means for electric vehicle prices in China. Electric vehicles are now the cheapest drivetrain in the Chinese market, which is quite at odds with what you see in North America and Europe, where they're still coming at a significant premium.