1.A company has just received a huge donation. It would like to make payments for its insurance for two years in advance. Previously, it has paid $91.5 in premiums every week. Assuming interest rate of 12%, what single sum of money should it pay?(Note: the insurance payments are due at the beginning of the period of coverage, and compounding weekly). This is annuity due.

a. 8,236.45

b. 8,695.11

c. 8,471.08

Please provide excel work or TI-83 Plus calculations. Thank you!