Suppose you deposit $2,688.00 into an account today. In 14.00 years the account is worth $3,748.00. The account earned ____% per year.

Today is Dereks 25th birthday. Derek has been advised that he needs to have $2,656,763.00 in his retirement account the day he turns 65. He estimates his retirement account will pay 10.00% interest. Assume he chooses not to deposit anything today. Rather he chooses to make annual deposits into the retirement account starting on his 28.00th birthday and ending on his 65th birthday. How much must those deposits be?