U.S. Senator Elizabeth Warren (D-MA), who is currently a candidate for U.S. president, has proposed the introduction of a 7% surtax on companies in addition to and separate from the current 21% corporate tax. As proposed, the 7% surtax would apply to companies with global profits exceeding USD 100 million per year and would be based on after-tax global income as reported in a company's financial statements. In particular, the surtax is meant to target large U.S. multinationals, such as Amazon…