Crystal Ice is the largest ice producer in New England. The company considers a takeover of Diamond Ice to increase its hold on the fresh ice market in the North-East of the United States. Crystal Ice has 10 million shares outstanding, which sell for $40 each. Diamond Ice has 5 million shares outstanding, which sell for $20 each. If the merger gains are estimated at $25 million, what is the highest price per share that Crystal Ice should be willing to pay to the shareholders of Diamond Ice.