Answer:
(a) A note payable for $100,000 due in 2 years. - Noncurrent liability
Non-current liabilities are obligations of payments by the company that extend for over a year. This note payable is due in 2 years and so is a Non-current liability.
(b) A 10-year mortgage payable of $200,000 payable in ten $20,000 annual payments. - Noncurrent liability
This obligation also extends for over a year thereby satisfying the definition of a Non-current liability
(c) Interest payable of $15,000 on the mortgage. - Current liability
Current Liabilities being the opposite of Non-current liabilities are obligations that are due within a year. The $15,000 interest payment is the amount due for the year and so is a Current Liability.
(d) Accounts payable of $60,000. - Current liability
Accounts Payable are payable within the year and as such are current liabilities.