(c) - Define appropriate dummy variables and extend the model given by (2) to allow for the possibility that there is a structural break in the model (intercept) in 1914 and another structural break in the model (intercept) in 1919. - Estimate the extended model. Report the estimated equation in equation form in the main body of your assignment. Report the estimated coefficients and standard errors to three decimal places. Place the Eviews output in Appendix 2(c). - Does the data support the proposition that there is a structural break in the model in 1914 and/or 1919? Briefly explain