$15.$ A company sales were $$250$ million in $2023.$ If sales grow at $8\%$ Per year, how large will they be $10$ years later?

Answer should be in the millions. Keep PV negative so that FV is positive.

Excel function needed.

$12.$ How many years will it take a $$689$ balance to grow into a $$850$ in an account earning $5\%?$ Use opposite signs for PV and FV$.$ Excel function needed.

$11,$ What is the present value of $$8260$ that will be paid to you eight years from today af $9\%$ interest? FV to be negative to have a positive PV$.$ Excel function needed.