Utilize the input text as a context reference, choose the right relationship between Aimco and apartment 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.

In May, Aimco closed on the sale of an apartment community located in Annandale, Virginia at a price of $58.9 million.

Answer: product_or_material_produced