Apple stock jumped then dumped after it issued a press release in which the company disclosed how much it expects to pay in repatriation tax to bring its massive offshore cash hoard home, in addition to unveiling its near-term US investment and capital spending plans.

The world’s most valuable company said that it anticipates repatriation tax payments of approximately $38 billion as required by recent changes to the tax law, noting that “a payment of that size would likely be the largest of its kind ever made.”

Additionally, AAPL announced a new set of investments “to build on its commitment to support the American economy and its workforce, concentrated in three areas where Apple has had the greatest impact on job creation: direct employment by Apple, spending and investment with Apple’s domestic suppliers and manufacturers, and fueling the fast-growing app economy which Apple created with iPhone and the App Store.”

In total Apple expects to provide $350BN to the US economy over the next five years, create 20,000 new jobs at Apple and increase the size of its advanced manufacturing fund from $1 to 45 billion.

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In the statement Apple said it is already responsible for creating and supporting over 2 million jobs across the United States “and expects to generate even more jobs as a result of the initiatives being announced today.”

Apple calculates that in combination with new investments and Apple’s current pace of spending with domestic suppliers and manufacturers — an estimated $55 billion for 2018 — Apple’s direct contribution to the US economy will be more than $350 billion over the next five years, not including Apple’s ongoing tax payments, the tax revenues generated from employees’ wages and the sale of Apple products.

Apple announced that its planned capital expenditures in the US, investments in American manufacturing over five years and a record tax payment upon repatriation of overseas profits will account for approximately $75 billion of Apple’s direct contribution.