Customers currently link to cisco's website to configure, price, and order its networking equipment. cisco then sends orders back out across the internet to producers and assemblers including celestica, flextronics, and solectron. products are built and tested to cisco standards, sometimes with procedures run remotely by cisco. most are then drop-shipped to buyers, untouched by human hands on cisco's payroll. the individuals who monitor these transactions and make sure each is performed in a cost-effective and timely fashion are engaged in __________.