A can do a piece of work in 8 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?	Choose the correct choice from the following options:  A) 8.7 days  B) 2.0 days  C) 6.6 days  D) 7.7 days  E) 4.8 days

Rationale: "c = 1 / 2 - 1 / 8 - 1 / 8 = 5 / 24 = > 4.8 days answer : e"
Answer: E