7. (-/1 Points) DETAILS HARMATHAP12 6.2.031. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Microsoft's stock price peaked at 6118% of its IPO price more than 13 years after the IPOt Suppose that $15,000 invested in Microsoft at its IPO price had been worth $900,000 (6000% of the IPO price) after exactly 13 years. What interest rate, compounded annually, does this represent? (Round your answer to two decimal places.) % Need Help? Read It 8. (-/1 Points) DETAILS HARMATHAP12 6.2.034. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER How long (in years) would $400 have to be invested at 9%, compounded continuously, to amount to $905? (Round your answer to the nearest whole number.) yr Need Help? Read it 9. (-/1 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A couple needs $50,000 as a down payment for a home. If they invest the $35,000 they have at 4% compounded monthly, how long will it take for the money to grow to $50,000? (Round your answer expressed in months to the nearest whole number.) months Submit Answer 10. (-12 points) DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Assume that Housing cost increase at a rate of 19% compounded monthly. The value of your house now is $400,000. (a) What was the value of your house 3.7 years from now? $ (b) What will be the value of your house 3.7 years from now