Rather than making complex assumptions regarding how the company might use the cash proceeds from the presumed exercise of call options or warrants, the FASB requires the use of the treasury stock method to determine the dilutive effect 0n EPS. Under this approach, Treasury shares are presumed to be purchased with the proceeds at the average market price occurring during the accounting period. The difference between the number of shares presumed issued upon exercise of the options and the number of treasury shares presumed to have been purchased is termed incremental shares. The incremental shares are added to the weighted average number of shares outstanding during the period to determine the dilutive effect of exercising the options or warrants.