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

Size of Offer				Public Price				Net to Corporation
a.	$	2.6	million		$	46			$	42.70
b.		8.0	million			46				43.48
c.		28.0	million			46				43.50

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.)