7. You have decided to refinance your mortgage, You plan to borrow whatever is outstanding on your current mortgage. The current monthly payment is $2530, and you have made every payment on time. The original term of the mortgage was 30 years, and the mortgage is exactly 4 years and 8 months old. You have just made your monthly payment. The mortgage interest rate is 6.174% (APR with semi-annual compounding). How much do you owe on the mortgage today? (Note: Be careful not to round any intermediate steps less than six decimal places.) The monthly discount rate is %. (Round to five decimal places.) The amount you owe today is s (Round to the nearest dollar.) 10. Assume that in 1974 , interest rates were 7.261% and the rate of inftation was 13.205%. What was the reat interest rate in 1974? How would the purchasing power of your savings have changed over the year? The real rate of interest in 1974 was \%. which means that the purchasing power of your savings would have (1) (Round to three decimal places. (Round to three decimal places.) (1) decreased increased