Kindly help calculate the following economical questions

The table below shows cumulative claims (not adjusted for inflation) from a portfolio of insurance policies for 4 accident years. Year of Development Year origin 0 1 2 1994 2,047 3,141 3,209 3,310 1995 2.471 3.712 3,810 1996 2, 3XX 3,750 1997 2,580 It may be assumed that payments are made in the middle of a calendar year. It is estimated that the inflation rate applicable to these data has been 5% per annum over the relevant period. Use the inflation adjusted chain ladder method to estimate the total outstanding payments, up to the end of development year 3, for accident year 1997 in mid-1997 prices. [10]