please how do you solve this questions

Select one of the questions below. Provide the calculation and analyze the exercise from both concept and problem-solving perspectives. Support your thoughts with at least one external reference (not your book). 1. A five-year project has a projected net cash flow of $15,000,$25,000, $30,000,$20,000, and $15,000 in the next five years. It will cost $50,000 to implement the project. If the required rate of return is 20 percent, conduct a discounted cash flow calculation to determine the NPV. 2. Two new software projects are proposed to a young, start-up company. The Alpha project will cost $150,000 to develop and is expected to have an annual net cash flow of $40,000. The Beta project will cost $200,000 to develop and is expected to have an annual net cash flow of $50,000. The company is very concerned about its cash flow. Using the payback period, which project is better from a cash flow standpoint? Why