Utilize the input text as a context reference, choose the right relationship between circa and company from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

"The home appliances market in Australia is circa $4.6 billion, larger than many of the other categories JB HI-FI operates in, and presents a significant opportunity for the company as it leverages the strength and trust in the JB HI-FI brand."

Answer: legal_form