A senior Apple Inc. executive told a US judge that the iPhone maker’s new 27% fee on purchases made outside its App Store are a good-faith attempt to comply with the law. “We are trying to enable what the law requires,” Apple Fellow Philip Schiller said Friday during the fourth day of a hearing focused on Apple’s compliance. “There was mentioned in the order about if Apple has a right to a fee even without” developers using its in-app payment system....