5. In exchange for $300 today, you are promised to get $900 nine years from today. If you say yes to the deal, what is your expected rate of return? 6. You have an opportunity to invest $4,000 today that will return $6,4445 years from today. What is the expected rate of return? 7. You have an investment opportunity that promises you $5004 years from today and $8006 years from today. If you pay $1,000 today for this opportunity, what is your expected rate of return? 8. You have an opportunity to receive $2,0005 years from today. If the interest rate is 4%, what is the $2,000 worth today? 9. What is the value of $5000 at time 15 if the interest rate is 5.5%