Use the Dynamic Exhibit to answer the following questions. Enter negative values as negative numbers. If your answer is zero, enter "O". 1. When the rate of return is 12%, the net present value is $ and the internal rate of return is greater than 12%. 2. When the rate of return is 6%, the net present value is $ and the internal rate of return is greater than 6%. 3. When the rate of return is 20%, the net present value is $ and the internal rate of return is less than 20%. 4. When the rate of return is 15%, the net present value is and the internal rate of return is equal to 15%. Use the Dynamic Exhibit to answer the following questions. Enter negative values as negative numbers. If your answer is zero, enter "O". 1. When the rate of return is 12%, the net present value is $ and the internal rate of return is greater than 12%. 2. When the rate of return is 6%, the net present value is $ and the internal rate of return is greater than 6%. 3. When the rate of return is 20%, the net present value is $ and the internal rate of return is less than 20%. 4. When the rate of return is 15%, the net present value is and the internal rate of return is equal to 15%