to calculate cost of debt which of these should be included when calculating:

question itself states:

RD draft estimate base on calculation of interest expenseOverYear0 / book debt of year-1

I'm not sure which of ones i am supposed to use, I'm apparently suppose to use the interest bearing liabilites

Current Liabilities Accounts Payable - Other Trade and Other Payables Lease Liabilities Current Tax Liabilities Revenue Received in Advance Provisions Amounts Owing to Participants Total Current Liabilities Noncurrent Liabilities Lease Liabilities Revenue Received in Advance Deferred Tax Liabilities Provisions Amounts Owing to Participants