An insurer's cumulative paid losses for accident year 20X1 are as follows: Year-End 20X1 Year-End 20X2 Year-End 20X3 Year-End 20X4 Year-End 20X5 20X1 $200,000 $350,000 $420,000 $400,000 $400,000 Which one of the following represents the age-to-age factor from 12 months to 24 months? Available answer options Select only one option A 1.05 B 1.20 C 1.75 D 2.0