Please show your work with the formulas written out. Please answer as if you can only use a four function calculator (because that is how I have to learn it). Do not just put down the calculator keystrokes I need to see every step and number to learn how to do it.
9. If you paid $750 for an investment 25 years ago that is now worth $2000, what was your rate of return?
10. If you save $100 per month, what annual rate of interest must you earn in order to accumulate $10,000 after 10 years?
11. If you borrow $250,000 for 10 years and your monthly payment is $1000, what rate of interest are you paying?
12. If you bought a bond five years ago for $900 which paid annual interest of $250 and sold it today for $950, what was your rate of return?