Deposits of $2000 are made every 6-months for 6-years in a fund that pays interest at j2 = 8%. Just after the 12th deposit, the interest rate changes to j4 = 8% and quarterly deposits of $1000 are now made, first deposit 3 months after the interest rate change. How much is in the fund immediately after the 20th deposit of $1000?

A. $68,952.48

B.$68,781.09

C. $54,348.98

D.$68,495.94