Answer:
The classified list of items is as follows:
(a) Issuance of ownership shares - Common stock
(b) Land purchased - Asset
(c) Amounts owed to suppliers - Liability
(d) Bonds payable - Liability
(e) Amount earned from selling a product - Revenue
(f) Cost of advertising - Expense
Hence, all the items are classified as asset, liability, revenue, common stock and expense.