Question 2. If your work involves with Excel spreadsheet, Please screenshot (or paste) Excel Answers into Word document) (20 Marks) John borrowed $300,000 from a bank for buying a house one years ago. He has been paying the monthly mortgage at an annual fixed interest rate of 6% with two years left in his home loan. As the Reserve Bank recently cuts the cash rate to 0.1%, the current fixed rate for home loan has dropped to 3% per annum. John is thinking to refinance his loan to take advantage of the lower interest rate. How much monthly payment will he save if he chooses for refinancing? What is the total interest payment he will save from the refinancing? Briefly explain your working steps and show your formulas and calculations.