Following up on the previous problem, the expected net gain from information is defined as the expected amount gained by having access to the information, at its given cost, as opposed to not having...

Following up on the previous problem, the expected net gain from information is defined as the expected amount gained by having access to the information, at its given cost, as opposed to not having access to the information. Explain how you would calculate this in general. What is its value for the Acme problem?