Sam is negotiating to purchase an annuity of $50 000 p.a. for 10 years. Funds currently earn 6% p.a. To sweeten the deal, the supplier offers (a) to make it an annuity due (with 10 payments in total) or (b) to add an extra payment of $10 000 to be paid immediately. Which is the better deal for Sam, if the price remains the same? Please do fast ASAP fast

An aunt gifts you with $12,000, but only after you invest it for one year. She givesyou two choices.1. Invest the entire sum at 4.2% compounded monthly.2. Invest $1000 at 7.1% each month in an annuity that pays every month.(a) What is the future value of the money invested with method 1?(b) How much interest is earned with method 1?(c) What is the future value of the money invested with method 2?(d) How much interest is earned with method 2?(e) Which method would you choose?

Can u show me the formula u use aswell

Assume that you just inherited an annuity that will pay you $10,000 per year for 10 years, with the first payment being made today. A friend of your mother offers to give you $60,000 for the annuity. If you sell it, what rate of return would your mother’s friend earn on his investment? If you think a “fair” return would be 6%, how much should you ask for the annuity? What keys do I need to enter in a financial calculator to get the answers of (13.70%, $78,016.92)/ only show me the keys to enter in a financial calculaotr. not excel and not algebra