This is a bit of a rabbit hole, but if you are interested in the details, here’s a link to the full Executive Branch Personnel Public Financial Disclosure Report Trump filled out prior to his departure, courtesy of the New York Times.

As to the Mac Pro:

Tim Apple, as Trump once called him, didn’t just give Donald Trump the opportunity to lie about bringing an Apple factory to the United States. He also gave him a $5,999 Mac Pro, according to Donald Trump’s final financial disclosure report today.

The line in question, highlighted in this tweet, says:

Mac Pro Computer, The first created at the Flex Factory in Austin Texas

The gift is valued at $5,999 and as given by Tim Cook.