The Payoff Matrix Below Shows the Payoffs (In Millions of Dollars)

Multiple Choice

The payoff matrix below shows the payoffs (in millions of dollars) for two firms, A and B, for two different strategies, investing in new capital or not investing in new capital. An industry spy from firm A comes to firm B and offers to pay B in exchange for B's certain and enforceable promise to not invest. What is the most that firm A will be willing to pay B to not invest?

A) $30 million.
B) $20 million.
C) $35 million.
D) $50 million.