Assume Sybase Software is thinking about three different size offerings for issuance of additional shares.

Size of Offer				Public Price				Net to Corporation
a.	$	2.9	million		$	47			$	43.40
b.		10.0	million			47				44.28
c.		28.0	million			47				44.50

What is the percentage underwriting spread for each size offer? (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.)