Custer. com's outstanding stock is 100 shares of $100, 6% cumulative nonparticipating preferred stock, and 1,000 shares of $10 par value common stock. custer paid $2,000 cash dividends, including one-year dividends in arrears to preferred stockholders. common stockholders received

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.