3. Answer the following questions: D a The monthly effective interest rate, /m, has been determined to be 2%. Calculate how much can be spent now to avoid future computer software maintenance expenses of $1,000 per quarter for the next 5 years. b) What is the future worth of a continuous flow amounting to $10,500 per year when the nominal interest rate is 15% per year compounded continuously, and n = 12 years