Henry Limited (Henry) is a listed company involved in fire protection materials. At 1 January 2018 it had the following issued share capital:

500 million ordinary shares of $0.25 each

200 million of 8% convertible preference shares of $1 each

On 1 July 2018, Henry made a 1 for 4 rights issue at $2 per share. The pre-right market price was $4.5 per shares. The right issue applied to all ordinary shares in existence at that date.

The convertible preference shares were originally issued in 2016 and will mature in 2021 and are convertible to equity shares on the basis of 30 shares for $100 of preference shares.

There were in existence share options on 70 million ordinary shares of $0.25 each exercisable at $2.5 per share. The average fair value per share was $3.5.

Earnings attributable to ordinary shares for the year ended 31 December 2018 were $491 million.

Required: Apply the principles in HKAS 33 Earnings Per Share to determine the following to be presented in the financial statement:

1. the basic earnings per share for the year ended 31 December 2018
2. the revised basic earnings per share for the year ended 31 December 2018 if shown in last years account as 27 cents
3. the diluted earnings per share for the year ended 31 December 2018