1st questionContextual Information:· There are two wide used methodologies to manage a software development life cycle: Agile and Scrum. Create a Word Document briefly describing their di?erences. (word count 500 words).2nd questionThe table below shows the historical data of the Average Closing Price (2005-2020.) Estimate the annual variation of crude oil prices (in %). Use the equation be-low. Draw a line chart showing the evolution of the annual variation and add a trend line and describe its type (positive, negative, neutral). There are 2 historical minimum values reached in 2008 and 2020; relate those minimum values to socio-economic events and include them as labels in the chart. Also read: Software Engineering MethodologiesYearAverageClosingPrice202038.78201956.99201865.23201750.80201643.29201548.66201493.17201397.98201294.05201194.88201079.48200961.95200899.67200772.34200666.05200556.64· You should submit the spreadsheet used to estimate the annual Change (%)3rd questionCalculate the annual payment for a loan with an annual constant interest rate of 2%, 35-year duration, a present value of €145,000 and a future value of 0. You should submit the spreadsheet used to estimate the annual payment.