The Unfazable Currency Conundrum

A sharp-dressed, sharp-witted business mogul who strides up to you, his watch gleaming and face set in an intense, measured stare. His voice carries the weight of a man who is used to negotiating billion-dollar deals. He presents a challenge that's both absurd and deep: he wants you to figure out the value of happiness in currency, particularly how it relates to the cost of his favorite coffee.