When Judy's income increased from $400 to $440 a week, she increased her demand for concert tickets by 10 percent and decreased her demand for bus rides by 15 percent. Calculate Judy's income elasticity of demand for concert tickets and bus rides. >>> Answer to 2 decimal places. >>> If your answer is negative, include a minus sign. If your answer is positive, do not include a plus sign. Judy's income elasticity of demand for concert tickets is

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