Preferred dividendsIn each case in the following table, how many dollars of preferred dividends per share must be paid to preferred stockholders before common stock dividends are paid?

Case	Type	Par value	Dividend per share per period	Periods of dividends passed
A	Cumulative	$60	$3.60	2
B	Noncumulative	$90	5.5%	4
C	Noncumulative	$140	$5.60	1
D	Cumulative	$100	3.5%	6
E	Cumulative	$150	4.5%	5

a. The amount of preferred dividends that must be paid in Case A before common dividends are paid is $.

b. The amount of preferred dividends that must be paid in Case B before common dividends are paid is $.

c. The amount of preferred dividends that must be paid in Case C before common dividends are paid is $

d. The amount of preferred dividends that must be paid in Case D before common dividends are paid is $

e. The amount of preferred dividends that must be paid in Case E before common dividends are paid is $