Please answer questions 6 and 7 using the following information:

Earnings measures a worker's monthly eamings. CollegeDegree is an indicator variable that is equal to | for workers who have a college degree, and O otherwise. Age measures a worker's age in years. We take a natural logarithm on Earnings (measured in thousand dollars).

【題組】6.In Equation 2, holding all other factors constant, when Age increases by I year, what is the predicted change in Earnings?
(A)Increase by 370 dollars.
(B) Increase by 1448 dollars.
(C) Increasc by 0.37%.
(D) Increase by 37%.
(E) None of the above choices (a)-(d).