Utilize the input text as a context reference, choose the right relationship between Kmart and retail 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.

Amid a relatively benign retail environment Kmart improved its earnings before interest and tax by an impressive an 18 per cent and delivered a return on capital of almost 33 per cent.

Answer: industry