"The device, which will sell for $1,900 in the US and £1,900 in the UK ..." So, over 50% more expensive in the UK. Why is this? Is the cost of doing business

"The device, which will sell for $1,900 in the US and £1,900 in the UK ..." So, over 50% more expensive in the UK. Why is this? Is the cost of doing business in the UK so much higher? Is the US price before tax, and the UK price inclusive of VAT?