The finance chiefs of the Group of 20 major economies on Saturday backed a global minimum corporate tax rate of at least 15 percent and other new rules to prevent multinational firms from avoiding duties, hoping to finalize in October plans that would bring what they call "historic" changes to the international tax system.The momentum toward concluding years of negotiations reflects a growing desire among many governments to raise revenues to invest in their recovery from the coronavirus pandemic as well as frustration over the way U.S. tech giants in particular are thought to have avoided …READ FULL ARTICLE