A listed company has two subsidiaries, one that is also listed and the other unlisted

A listed company has two subsidiaries, one that is also listed and the other unlisted. It wishes to do a spin-off of the unlisted subsidiary and subsequently a merger between the two subsidiaries. The merger has to be accomplished through:

(a) Exchange of parent company’s share with that of the listed subsidiary.

(b) Exchange of shares between shareholders of the parent company and that of the listed subsidiary.

(c) Exchange of shares between shareholders of the parent company and that of the unlisted subsidiary.

(d) Issue of shares by listed subsidiary in exchange for shares held in unlisted subsidiary.

(e) Issue of shares by listed subsidiary in exchange for shares held in parent company.

(f) Issue of shares by listed subsidiary in exchange for shares held by shareholders of parent company in the unlisted subsidiary.