This personal finance video tutorial provides a basic introduction into negative interest rates and compares it with positive interest rates clearly showing the effect it has on both the borrower and the lender. Liquidity Ratios: Assets, Liabilities, & Equity: The Short Ratio: Debt to Equity Ratio: Time Value of Money: _____________________________ Future Value of Annuity: More Examples on Annuities: How To Calculate The Monthly Mortgage Payment: The Present Value of an Annuity: Net Present Value & Internal Rate of Return: ____________________________ Annual Percentage Yield: Amortization Loan Formula: Amortization Table: Rule of 72: Bond Yields: