1. margine degli utili   profit margin   interest income   business   to invest   Hint Half-n-half Clue   2. commercio, affari   tax   on business   business   sale   Half-n-half Clue   3. vendita   income tax   to buy   to invest   sale   Half-n-half Clue   4. reddito   to charge   interest income   price list   wage scale   Half-n-half Clue   5. biglietto da visita   interest income   business trip   business card   income tax   Half-n-half Clue   6. azione   share   factory   company   tax   Half-n-half Clue   7. imposta sulle vendite   income tax   to sell   sales tax   to buy   Half-n-half Clue