The annual Internal Rate of Return required on a cash flow beginning with $10,000 annual deposits in the beginning of the year, lasting for 10 years, and resulting in a future value at the end of year 20 of $400,000.


AND
Calculate the future value as of 12/31/2028 of $10,000 deposited annually for 10 years beginning 1/1/2000, growing at a gross rate of 11.5% annually, but with 100% of the growth taxed each year assuming a 40% tax expense.