<ul data-eligibleForWebStory="false">Part of President Trump's new tax bill allows upfront expensing of R&D costs, benefiting software companies like Microsoft, Oracle, and Salesforce.The bill provides a cash flow boost for these firms who can now expense R&D costs immediately rather than spreading them out over five years.Companies can also claim retroactive deductions of previously deferred R&D costs, increasing tax savings.Morgan Stanley projects Microsoft could see a 4% boost to its free cash flow margin, with Oracle and Salesforce expected to benefit by around 6%.