4. Calculate the cost of preferred stock (rPS) for each of the following:
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Preferred Stock   Par Value    Current Price (Po)   Flotation Cost    Annual Dividend(% of Par)

A                           $100                   $101             $9.00               11%
B                           $40                    $38                $3.50               8%
C                           $35                    $37                $4.00              $5.00
D                           $30                    $26                 5% of par       $3.00
E                           $20                    $20                 $2.50              9%