A 10-year deferred fully continuous life annuity pays a benefit of 100 per year. During the first 10 years, premiums are refunded without interest upon death. You are given (i) =0.02 for t>0. (ii) =0.06 (iii) Premiums are payable for the first 10 years. Determine the net premium. (A) 81.60 (B) 83.43 (C) 86.40 (D) 89.35 (E) 91.12