Which of the following situations is likely to create negative bias from omitting a variable? Group of answer choices A-In an equation for the demand for peanut butter, the impact on the coefficient of disposable income of omitting the price of peanut butter variable. B-In an earnings equation for workers, the impact on the coefficient of experience of omitting the variable for age. C-In a production function for airplanes, the impact on the coefficient of labor of omitting the capital variable. D-In an equation for daily attendance at outdoor concerts, the impact on the coefficient of the weekend dummy variable (1 = weekend) of omitting a variable that measures the probability of precipitation at concert time