2. math of interest. please solve correctly

A wealthy business man promises to donate $10,622.00 to charity every six months for 20 years (at the end of every period). The current interest rate is 8.560% compounded quarterly, but it is projected to change to 11.020% (still compounded quarterly) after 7 years. What is the present value of the donation based on this projection? a. X=$198,547.40 b. X=$202,518.34 c. X=$208,474.77. d. X=$206,489.29. e. None of the other answers is correct. Certainty 2C=1 (Unsure: 67%)C=3 (Quite sure: >80% )