JuarezCo constructs the following table related to its filing position for a research activities credit. Its book-tax provision for the year, including $3 million for the credit, is $10 million. Resulting Estimated Tax Benefit Probability of Agreement between JuarezCo and IRS Cumulative Probability of Agreement $3 million 10% 10% $2 million 45% 55% $1.6 million 40% 95% $1.1 million 5% 100% JuarezCo's book income tax expense is: a.$11.4 million. b.$13 million. c.$11 million. d.$12 million.