Refer to the following list of liability balances at December 31, 2017. $20,000 1,150 900 1,500 40,000 Accounts Payable Employee Health Insurance Payable Employee Income Tax Payable Estimated Warranty Payable Long-Term Notes Payable (Due 2021) FICA-OASDI Taxes Payable Sales Tax Payable Mortgage Payable (Due 2022) Bonds Payable (Due 2023) Current Portion of Long-Term Notes Payable 760 1,070 9,000 60,000 9,500 What is the total amount of long-term liabilities