Utilize the input text as a context reference, choose the right relationship between Western Digital and SanDisk 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.

However, if the Unisplendour investment does not close or is terminated, Western Digital will pay $67.50 in cash and 0.2387 of its shares for each SanDisk share held.

Answer: subsidiary