You could buy
You can buy one of the following:
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Tour of the UK Parliament
Guided tour of the Houses of Parliament, London for £11.50 -
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Carl Sagan's Cosmos DVD
Inspirational and wide-appeal science series. Thirteen episodes, each one hour long. for £11.71 from source -
Shopping list
You can buy all of the following:
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1 Cup of instant coffee
Cost per cup of instant coffee for £0.05 -