1. Prove which of the following options is the most interesting one? Why?

1. To invest $ 5000 in a bank account that offers an annual simple interest rate of %6, for 10 months.
2. To invest $ 5000 in a bank account that offers an annual simple interest rate of. %5, for one year.

2. John wishes to borrow $ 1200 from jack. He gives him $ 600 and pay him $ 1200 in 3 years. What is the discount rate?

3. John wishes to borrow from jack. He pays him the amount value in 2 years. If jack offer discount rate %10 and he gives him $ 1000 at now. What is the amount value or maturity value?