https://www.theguardian.com/technology/2019/may/13/iphone-price-cost-apple-latest-us-china-trump-trade-war-news

Trump-imposed tariff of 25% on $200bn of goods could add about $160 to the cost of a $999 Chinese-made iPhone XS

The escalating trade dispute between the US and China could prove damaging to Apple and its customers by pushing up the cost of iPhones and driving down the share price.