Use the same information as in BE17-19 and assume that Redpath also wrote put options that allow the holder to sell 25,000 of Redpath's shares to Redpath at $8 per share. Calculate the incremental shares outstanding for Redpath Limited.

Data From BE17-19:

Redpath Limited purchased 25,000 call options during the year. The options give the company the right to buy its own common shares for $4 each. The average market price during the year was $7 per share. Calculate the incremental shares outstanding for Redpath Limited.