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Earnings per share ("EPS") | 12 Months Ended
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Dec. 31, 2020
Earnings per share ("EPS") |
Earnings per share ("EPS") | Note 18 – Earnings per share (“EPS”)
|  | 2020 |  | 2019 |
|  |  |  |  | Shares |  |  | Per Share |  |  |  |  | Shares |  |  | Per Share |
|  |  | Net income |  | (in millions) |  |  | Amount |  |  | Net income |  | (in millions) |  |  | Amount |
Basic earnings per share |  |  | $ | 326.2 |  | 190.3 |  |  | $ | 1.71 |  |  | $ | 344.1 |  | 187.7 |  |  | $ | 1.83 |
Effect of dilutive securities |  |  |  | — |  | 0.4 |  |  |  | — |  |  |  | — |  | 0.3 |  |  |  | — |
Diluted earnings per share |  |  | $ | 326.2 |  | 190.7 |  |  | $ | 1.71 |  |  | $ | 344.1 |  | 188.0 |  |  | $ | 1.83 |
For the year ended December 31, 2020, a weighted average of 3,534 stock options (2019 –1,143 stock options) was excluded in the computation of diluted EPS due to being anti-dilutive. Further, for the year ended December 31, 2019, a weighted average of 6,034 stock options was excluded due to the strike price exceeding the average share price during the year. RSUs totaling 66,996 (2019 - 65,972 RSUs) were excluded from the computation of diluted EPS due to the performance criteria for the vesting of the RSUs not being measurable as at December 31, 2020.

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