map of the book iv Unit 1 greeting visitors Unit 2 companies Unit 3 occupations review 1 Unit 4 products Unit 5 comparing services Unit 6 systems review 2 Unit 7 messages Unit 8 appointents Unit 9 meetings review 3 Unit 10 negotiating Unit 11 money Unit 12 marketing review 4 Unit 13 socializing Unit 14 presenting information Unit 15 trends review 5 communication activities help folders transcripts acknowledgemdnts