Statement and Assumption - Verbal and Reasoning

Directions to SolveIn each question below is given a statement followed by three assumptions numbered I, II and III. You have to consider the statement and the following assumptions, decide which of the assumptions is implicit in the statement and choose your answer accordingly.
Q1:

Statement: Items in big showrooms in main markets are costlier than similar items in small shops. Assumptions:
  1. Items in small shops are never reliable.
  2. Persons managing big showrooms are cheats.
  3. Maintenance of big showrooms is an expensive affair in itself; hence the prices are a little higher.

A None is implicit

B Only I is implicit

C Only II is implicit

D Only III is implicit

E Either II or III is implicit

ANS:D - Only III is implicit

Explanation: Clearly, only III defines the correct essence of the statement and hence is implicit.