1. 買う、購入   to charge   to buy   tax   business hours   Hint Half-n-half Clue   2. 税金   business   income tax   tax   product   Half-n-half Clue   3. 商売   business trip   price list   income tax   business   Half-n-half Clue   4. 売る   meeting   sale   to sell   tax   Half-n-half Clue   5. 利幅   business hours   to sell   profit margin   business card   Half-n-half Clue   6. 払う、支払う   share   business card   on business   to pay   Half-n-half Clue   7. 賃金表   to invest   company   wage scale   business hours   Half-n-half Clue