Would you willingly spend $US2,000 ($2,800) to buy an iPhone that today costs about half that?

That's how much veteran analyst Tim Bajarin tells me it would cost Apple to retail if it made iPhones in the United States.

The price of an iPhone would rise substantially if Trump got his way Credit:AP

I bring this up as a backdrop to a current back and forth between Apple and President Donald Trump. Apple is concerned the prices we pay here in the United States for many of its products would go way up because of the tariffs Trumps has enacted on the import of goods from China.

To which Trump says he has an easy solution: Build factories in the USA, and make iPhones in the US, instead of China. "There would be zero tax and indeed a tax incentive," the president wrote on Twitter.