Marmite v £/$ £/euro exchange rate (past 12 months)

Marmite has been £4 a jar for the past year according to my supermarket.co.uk

underneath that is a graphic from BBC website showing the £/$ exchange rate over the same period.

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link to marmite price index
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Link to BBC website
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Do you believe @Unilever are profiteering or defending themselves against increased costs?#tesco #Marmitegate #marmageddon

— General Election🇬🇧 (@UKGE2020) October 13, 2016