A can do a piece of work in 4 days. B can do it in 6 days. With the assistance of C they completed the work in 2 days. Find in how many days can C alone do it?	Select the correct option:	A) 87 days	B) 12 days	C) 66 days	D) 77 days	E) 44 days
C = 1/2 - 1/4 - 1/6 = 1/12   =&gt; 12 days   Answer: 12 days
<result>B</result>
A can do a piece of work in 4 days. B can do it in 6 days. With the assistance of C they completed the work in 2 days. Find in how many days can C alone do it?