The host of a television debate show has to select a 4-member discussion panel out of a list of 22 willing candidates

[Vincen]

The host of a television debate show has to select a 4-member discussion panel out of a list of 22 willing candidates that includes 5 politicians and 6 businessmen. If the list includes candidates from at least 4 professions and no two members of the discussion panel are to be of the same profession, then in how many ways can the panel be constituted?

I. The list includes 5 journalists and 2 authors.

II. The list includes only 1 profession from which there are fewer than 3 candidates.

Answer: C

Source: e-GMAT