Oriole Corporation earned $474,360 during a period when it had an average of 118,000 common shares outstanding. The common shares sold at an average market price of $25 per share during the period. Also outstanding were 17,400 warrants that could each be exercised to purchase one common share for $10. Calculate diluted earnings per share. (Round answer to 2 decimal places, e.g. 15.25.) Diluted earnings per share $