The arrival of new Chief Financial Officer Ruth Porat in May has assuaged investor concerns that Google boss Larry Page's spending on projects outside the main search-advertising business -- from driverless cars to computerised spectacles -- would keep accelerating without paying off in higher revenue.
Take context from the input text and decide on the accurate relationship between 'Ruth Porat' and 'Chief Financial Officer' from the options provided.
Options: position held, distribution format, manufacturer, industry