Utilize the input text as a context reference, choose the right relationship between 'iiNet' and 'Perth' from the options.
Options: publisher, headquarters location, location of formation, owned by

Mr Malone, who founded the telco in his parent's Perth garage in 1993, had been a firm opponent to TPG's original $1.4 billion all-cash bid in March but said the iiNet board had drawn out a better offer after listening to shareholder concerns.
location of formation