What is worth more? $100 today or $100 a year from now? 2. If you want $180,000 in 3 years at 8% how much do you need to set aside today? 3. If you set aside $500 today and get $800 a year from now, what is your interest rate? 4. Your goal is to save $10,000 for a down payment on a house in 4 years. You find an investment that pays 6% interest. How much do you need to invest today to reach your goal of $10,000? 5. You have a $500 tax refund and you invest that in an investment paying 5% annually. How much will that be worth in 5 years?