Sauer Milk Inc. wants to determine the minimum cost of capital point for the firm. Assume it is considering the following financial plans:

	Cost (aftertax)			Weights
Plan A
Debt		7.0	%		20	%
Preferred stock		14.0			10
Common equity		18.0			70
Plan B
Debt		7.8	%		30	%
Preferred stock		14.8			10
Common equity		19.0			60
Plan C
Debt		8.0	%		40	%
Preferred stock		14.7			10
Common equity		9.5			50
Plan D
Debt		12.0	%		50	%
Preferred stock		15.4			10
Common equity		11.8			40

a-1. Compute the weighted average cost for four plans. (Do not round intermediate calculations. Input your answers as a percent rounded to 2 decimal places.)

	Plan A ________ %
	Plan B _______ %
	Plan C ________%
	Plan D ________%