2.2. An insurance company issues 15 year annuities-due of $2000 per annum deferred 4 years to lives aged 40 on January I, 1980. The premium is payable yearly during the 4 years of the deferment period. If the number of policies in force is 950 on January I, 1982, 945 on January I, 1983, 942 on January 1,1984, and 940 on January I, 1985, find the mortality profit or loss

a) for the year 1982.

b) for the year 1983.

c) for the year 1984. Base the computations on a 6% annual rate of interest.