Which one of the following statements is correct? a) The Ohison (1980) model is estimated using stock return data, and Altman (1968) is estimated using accounting information. b) The Ohlson (1980) model is estimated using a logistic model, and Altman (1968) is estimated using a multiple discriminant analysis model. c) The Ohlson (1980) model incorporated text analytics information, and Altman (1968) model used only accounting information. d) The Ohison (1980) model is estimated using working capital divided by total assets as one of the independent variables, and Altman (1968) model is estimated using current ratio as one of the independent variables