Copr. Goedl Cincinnati Supply Corp., a supplier to Kraft Foods, has two divisions: the Alpha Division and the Charlie Division. The Alpha Division has sales of $$230,000,$ variable expenses of $$131,100,$ and traceable fixed expenses of $$63,300.$ The Charlie Division has sales of $$540,000,$ variable expenses of $$291,600$ and traceable fixed expenses of $$120,700.$ The total amount of common fixed expenses not traceable to the individual divisions is $$119,200.$ What is the contribution margin ratio for the whole organization?

$41\%$

$43\%$

$50\%$

$45\%$