... products and how they work, how thedistribution system operates, how to deal withboth suppliers and customers and how to handlecomplaints. They also study trade and retail laws, and are accompanied ... between being in the red and being in the black?4. Complete this sentence with one word: Goods and services which are paid for in cash, and therefore not declared for tax, are features of a ... managementpaperwork and tell them to deal with it. We setthem a time limit for this, and monitor themcarefully to see how they get on. We then reviewtheir performance and show them where theywent...