eferred dividends In each case in the following table, how many dollars of preferred dividends per share mu paid to preferred stockholders before common stock dividends are paid? \begin{tabular}{llccc} \hline Case & Type & Par value & Dividend per share per period & Periods of dividends passed \\ \hline A & Cumulative & $70 & $7.70 & 4 \\ B & Noncumulative & $50 & 2.5% & 2 \\ C & Noncumulative & $140 & $4.90 & 0 \\ D & Cumulative & $80 & 6.0% & 6 \\ E & Cumulative & $60 & 7.5% & 1 \\ \hline \end{tabular}