By solve the following problem. Normas Cat Food of Shell Knob ships cat food throughout the country. Norma has determined that through the establishment of local collection centers around the country, she can speed up the collection of payments by two and one-half days. Furthermore, the cash management department of her bank has indicated to her that she can defer her payments on her accounts by one-half day without affecting suppliers. The bank has a remote disbursement center in Iowa.