Amazon has two ful llment centers in Houston at which packages are processed. Site A can process 10,000 packages per day, and site B can process 6,000. Amazon processes three types of packages: one-day, three-day, and one-week delivery. The processing cost per package depends on the site (see Table). Each day, 5,000 packages of each type must be processed. Formulate a balanced transportation problem to minimize the daily cost of processing packages. Site Package type A B One-day 5 3 Three-day 4 4 One-week 2 5