Source: BBC
The Accra street vendor looks at me, bemused.
I'm trying to establish how the rather flimsy 30g bag of roasted cashew nuts she's selling, beside a sweltering highway in Ghana's capital, costs me the equivalent of about 75 cents (60p).
That's obviously not a lot of money for me, a visitor from the UK, but I'm amazed at the mark up. The price is at least 4,000%...
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