Suppose that when the price of a pint of Ben & Jerry's cream decreases from $6 to $5, sales of Haggen-Dazs ice cream decreases from 14 to 12 million pints per week.

Calculate the cross-price elasticity of demand of Ben & Jerry's & Haggen-Dazs ice cream using the midpoint method and enter your answer below. Round the numerator and denominator to at least 4 decimal places each. Then round your final answer to 2 decimal places.