An account was opened with $1,000 eight years ago. Today, the account balance is $1,700. If the account paid interest compounded semiannually, how much interest on interest was earned? Please enter your answer in dollars to two decimals (cents) without a $ sign. An investment will pay you $400 per year for 25 years with the first payment received 9 years from today. If you use a 8% rate to evaluate investments, how much would you pay for the investment today? Please enter your answer in whole dollars without a $ sign. You are planning to retire in 30 years and are planning a 20 year retirement. Prior to retirement, you will save $1200 at the end of each year. If your investments can earn 8% per year over the entire time, how much can you withdraw at the end of each year during retirement? Please enter your answer in whole dollars without a $ sign. One bank will pay you 3.8% interest compounded annually. If you invest $1000 today, what simple interest rate would you need to earn at a competing bank to have the same amount of money in 9 years? Please enter your answer as a percentage to one decimal without a % sign. You buy an antique today for $1000 and sell it 3 months from today for $1100. What is the difference between the EAR and APR? Please enter your answer as a percentage to one decimal without a % sign. You deposit $200 each year in an account for 15 years and then $400 each year in the same account for the 15 years after that. If you are earning 8% annual compounding interest in the account the entire time how much do you have in 30 years? Please enter your answer in whole dollars without a $ sign.