Please help me.

3. A cohort of lives purchases insurance with a death benefit of 1 payable at the moment of death. The cohort is defined by the following information: lo = 100, 000 and #, = 0.05 for all x. 6 = 0.1. For each of the , survivors, determine the accumulated cost of insurance of that cohort at age 40 for the previous 10 years- that is, for the 10 years from ages 30 to 40