(Complex annuify) Upon graduating from college 30 years ago, Dr. Nick Riviera was already thinking of retirement Since then he has made deposits into his retirement fund on a weekly basis in the amount of $30. Nick has just completed his final payment and is at last ready to retire His retirement fund has eamed 7.2% interest compounded weekly a. How much has Nick accumulated in his retirement account? b. In addition to all this, 20 years ago, Nick recelved an inheritance check for $30,000 from his beloved uncle. He decided to deposit the entire ariount into his retirement fund. What is his current balance in the fund?