Answer:
1) Dr: Goods/Inventory (Asset increase) 150000
Cr: Payable (Liability increase) 150000
2) Dr: Payable (Liability decrease) 30000
Cr: Goods (Asset decrease) 30000
3) Dr: Payable (Liability decrease) 30000
Cr: Goods (Asset decrease) 30000
4) Dr: Receivables (Asset increase) 160000
Cr: Goods (Asset Decrease) 100000
Cr: Profit and loss (Equity increase) 60000
5) Dr: Commission Expense (Equity decrease) 10000
Cr: Cash (Asset Decrease) 10000
6) Dr: Payable (Liability decrease) 120000
Cr: Cash (Asset Decrease) 120000