c. A.T\&T closed at $30.85 on February 20, 2019, the date the Form 10-K was filed with the SEC. How does your valuaticn estimate compare with this closing price? d. If WiAC has been 6.2%, what would the waluation estimate have been? What about if wacc has heen 5.2k ? c. A.T\&T closed at $30.85 on February 20, 2019, the date the Form 10-K was filed with the SEC. How does your valuaticn estimate compare with this closing price? d. If WiAC has been 6.2%, what would the waluation estimate have been? What about if wacc has heen 5.2k