You deposit $ 7,112 in your account today. You make another deposit at t = 1 of $ 6,163 . How much will there be in your account at the end of year 1 if the interest rate is 7.2 percent p.a.? (Record your answer without a dollar sign, without commas and round your answer to 2 decimal places; that is, record $3,245.847 as 3245.85).

You deposit $ 65,191 in your account today. You make another deposit at t = 1 of $ 56,159 . How much will there be in your account at the end of year 2 if the interest rate is 16 percent p.a.? (Record your answer without a dollar sign, without commas and round your answer to 2 decimal places; that is, record $3,245.847 as 3245.85).

Your account pays interest at 4 percent p.a.. You deposit $ 12,791 in it today. You must have exactly $ 53,057 in the account at the end of two years. What should you do at the end of the first year (that is, what dollar amount must you deposit) to ensure this? (Record your answer without a dollar sign, without commas and round your answer to 2 decimal places; that is, record $3,245.847 as 3245.85).