(a) ABC plc has a value of 800 million and DEF plc has a value of 200 million. Merging the two would create a firm worth 1,080 million. Calculate the monetary gain from the merger, stating the appropriate formula(e). (b) What are the gains described in (a) called in merger terminology? Give an example of how they may come about. (c) If DEF plc asks for 300 million to be acquired, should ABC plc go ahead with the acquisition? Explain why or why not, with calculated working.