Financial services firms experience large fluctuations in business volumes because of the cyclical nature of financial markets. These fluctuations are often caused by crises—such as the subprime mortgage problems, the discovery of major fraud, or a slowdown in the economy. These fluctuations require that executives and IT leaders have the ability to cut spending levels in market downturns and quickly scale up when business volumes rise again. Research SaaS solutions and vendors for the financial services sector. Would investment in SaaS help such firms align their IT capacity with their business needs and also cut IT costs? Explain your answer.( with references)