I need help with this question. Please do not answer from online.

For the next 4 questions (questions 20 to 23), use the following information: Four of XYZ's policyholders have the following history: Policy number Date of birth Date policy Status on 12-31- Status on policy issued 2012 anniversary in 2013 4-1-1930 3-1-1980 Died 10-1-2012 Died 10-1-2012 2 7-1-1930 10-1-1990 Insured Surrendered 5-1-2013 w 8-1-1930 1-1-2000 Insured Insured Surrendered Surrendered A 9-1-1930 8-1-2000 11-1-2012 11-1-2012 20. XYZ conducts a mortality study from 1-1-2012 through 12-31-2012 using actual ages. Calculate the absolute value of the difference between the estimated mortality probabilities at age 82, using the exact and actuarial methods