An analyst is estimating various measures of spread for Airnet Systems, Inc. (NYSE: ANS). The table below is a sample of quotes in ANS on the New York Stock Exchange on March 10, 2004, between 10:49:00 and 10:57:00. A buyer-initiated trade in ANS was entered at 10:50:14 and was executed at 10:50:15 at a price of $4.75 Time Bid Price ($) Ask Price ($) 10:49:44 4.69 4.74 10:50:06 4.69 4.75 10:50:11 4.69 4.76 10:50:14 4.70 4.76 10:54:57 4.70 4.75 10:56:32 4.70 4.75 Source: Trade and Quote (TAQ) database, NYSE For this trade, what is the quoted spread