Schedule M-1 of form 1120 is used to reconcile financial net income with taxable income reported on the corporations income tax return as follows: net income per books + additions-subtractions=taxable income. Which of the following items is an addition on Schedule M-1

a) dividends received reduction

b) proceeds of life insurance paid on key employee

c) excess of capital losses over capital gain

d) tax exempt interest

e) none of the above