A cleaning company uses $20 of chemicals, $50 of labour, and $5 of misc. expenses for each house it cleans. After some quality complaints, the company has decided to increase its use of labour by 40%. By what % has multifactor productivity fallen?
A) 0%
B) 21.1%
C) 25%
D) 50%
E) 0.83%

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The Answer of A cleaning company uses $20 of chemicals, $50 of labour, and $5 of misc. expenses for each house it cleans. After some quality complaints, the company has decided to increase its use of labour by 40%. By what % has multifactor productivity fallen?
A) 0%
B) 21.1%
C) 25%
D) 50%
E) 0.83%

A Cleaning Company Uses $20 of Chemicals, $50 of Labour