Microsoft’s Ireland hub generates over $7 million in pretax profit per employee, 13 times the company’s worldwide average, according to new required disclosures that show the company concentrating earnings in the low-tax jurisdiction. Microsoft’s disclosures are among the first revelations in a coming wave of information that multinational companies now must make publicly available, giving investors and the public their most granular view into the tax life of such firms. Under new European Union rules, large companies have to submit public reports showing revenues, pretax profits and tax payments for many jurisdictions.  Microsoft recorded 38.1% of its pretax profit in…