[33] Old City Photographics (OCP) specializes in the processing of the traditional 35 mm negative fim. a once dominant medium, now almest extinct due to the popularity of dightal photography. OCP offers three packages to their customers. With the standard package, the customer gets a set of 6^(-)xx4^(4) prints for 520 . The deluxe package adds to the standard package a CD-ROMt of high-resolution scans of the pictures for $30. Finally, the $40 pre package is similar to the deluxe package in that it comes with a CD-ROM, although the customer gets a contact print rather than a set of prints. OC.P recelves 15.6 jobs per hour on average, consisting of 4496 standard, 3796 deluxe and 1996 pro. The workflow