Which retail product holds the Guinness World Record for the most expensive packaging design ever created for a mass-market item?

The retail world has its own set of impressive world records - from the largest stores ever built to the most expensive product launches in history. These extraordinary achievements showcase the lengths companies will go to stand out in the competitive marketplace. Test your knowledge about these remarkable retail milestones that have earned their place in the record books!

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Procter & Gamble's 2018 limited-edition Febreze bottle with 24-karat gold accents ($10,000 per unit)
Suntory's 2015 special-release whisky with hand-crafted crystal decanters ($12,000 per unit)
G.H. Mumm's 2013 champagne bottle with diamond-encrusted label ($15,000 per unit)
Apple's 2016 commemorative iPhone box with platinum inlays ($8,000 per unit)