Coffee wholesaler Richard Corney warns a large coffee could cost you more than $7

A coffee wholesaler - and former cafe owner - is warning a large cup of coffee could cost you more than $7 from next year.
Richard Corney, who is the general manager of flight coffee, says that's because the cost of running a cafe has gone up. 
Richard also manages The Flight Hanger in Wellington, where he upped the price of a large coffee earlier this year. 
He broke down the cost for Nick Mills on Wellington Mornings.
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