Answer:
A's shareholder would gain = $20 million
Explanation:
Given:
Value of firm A = $200 million
Value of firm B = $120 million
Cost saving = $30 million
Computation:
Premium paid = $130 million - $120 million
Premium paid = $10 million
A's shareholder would gain = Cost saving - Premium paid
A's shareholder would gain = $30 million - $10 million
A's shareholder would gain = $20 million