Serious Money with Matthew Vincent: The HMRC's wacky tax app

It's that time in the afternoon when we usually hook up with Claer Barrat, FT Weekend's personal finance editor. However, she's away this week and Matthew Vincent, Financial Times Deputy Companies Editor, has gamely agreed to stand in for her. He joined Share Radio's Juliette Foster to discuss: income investments, being smart with medical research charity donations, and the HMRC's wacky smartphone app