A bank offers 9.00% on savings accounts. What is the effective annual rate if interest is compounded semi-annually? unanswered Submit not submitted Answer format: Percentage Round to: 4 decimal places (Example: 9.2434%, % sign required. Will accept decimal format rounded to 6 decimal places (ex: 0.092434)) Derek has the opportunity to buy a money machine today. The money machine will pay Derek $44,549.00 exactly 20.00 years from today. Assuming that Derek believes the appropriate discount rate is 13.00%, how much is he willing to pay for this money machine? unanswered not submitted Submit Answer format: Currency: Round to: 2 decimal places. Assume the nominal rate of return is 7.05% and the inflation rate is 7.77%. Find the real rate of return using the exact formula. unanswered Submit not submitted Answer format: Percentage Round to: O decimal places (Example: 9%, % sign required. Will accept decimal format rounded to 2 decimal places (ex: 0.09))