By Ali Lyon Will chocolate prices leave us bitter over Easter?In the spirit of this being the Easter weekend, and in an attempt to a rail against one NHS boss’s pointless and pious advice against people eating ‘a whole Easter egg in one go’, we start this week with chocolate. Or, more specifically, the nasty taste that shoppers will get at the tills this weekend due to the astronomical rise in the price of coca, the raw ingredient of chocolate. Prices for unglamorous commodities, not usually the lead item in a weekly business and economics round-up, hit another all-time high on Tuesday. Having…