Take context from the input text and decide on the accurate relationship between 'iPhone' and 'Apple Inc' from the options provided.
Options: distributed by, manufacturer, director/manager, operator

The housing index (.HGX) rose 1.64 percent on the data, outperforming the overall stock market, which fell after Apple Inc (AAPL.O) late on Tuesday gave a fourth-quarter revenue forecast that fell short of estimates and missed some targets for iPhone sales.
manufacturer