Hey everyone, I was wondering if I could on these 3 questions, I would really appreciate it.

1. you receive payments of 1000 dollars every 8 months for the next 9 years. The first payment will occur 8 months from today. There will be a total of 12 payments. What is the present value of this investment. The required rate of return is 10% compounded annually.

2. you are surprised to learn that your mom bought a new car today. She has to make 48 monthly payments of 800$, and the first payment is due today. If the interest rate is 7% compounded quarterly, what is the price of the car?

3. your sister wants to purchase an investment that will pay her 500$ every 3 months for the next 10 yrs. The first payment will be made 3 months from today. If your sister requires a rate of return of 8% compounded monthly what should she expect to pay for the investment?

thanks