Look-ahead to the Budget on Wednesday

Philip Hammond's budget delivery comes amid economic challenges and Brexit uncertainties. Despite previous predictions of a surplus, the UK faces a deficit until 2022. The budget focuses on cautious spending, with potential allocations for social care and health. Investments in R&D, AI, and 5G aim to boost productivity. Hammond must balance deficit reduction with economic protection during Brexit, a task that has eluded past chancellors.

What is the significance of the £270 million mentioned in the text?

What challenges does Philip Hammond face in his budget speech?