A bank has 116 million in total interest income, 42 million in total interest expenses, and 950 million in total assets. Compute net interest income and net interest margin.

a. 74 million; 0.0779

b. None of the answers is correct.

c. 42 million; 0.0442

d. 116 million; 0.1221

e. 158 million; 0.1663

Please do not write the answer on a piece of paper or in excel.