For the past 16 months, Susie has been paying $126.50 each month to her insurance company. After causing an accident last month, her insurance company notified her that her monthly payment will be increased by $21.25. What increase in her annual premium did Susie’s insurance company apply as a result of the accident? a. $21.25 b. $125.60 c. $147.75 d. $255.00