Roger Smith opened a new savings account. He deposited $35,000 at 6% compounded semiannually. At the start of the fourth year, Roger deposits an additional $40,000 that is also compounded semiannually at 6%.

1. What is the balance of Roger Smith's account at the end of the third year/start of the fourth year before the additional $40,000 is deposited?
2. What is the balance in Roger Smiths account at the end of 6 years ?