Exercise 18.8.1 Given the registry of the premiums of an insurance company for years 2005,2006,2007 and 2008. The insurance company (where the particular registry belongs) has followed this policy of fluctuations in the individual premiums. Calculate the adjusted earned premiums per year for the time period 1.1.2005-31.12.2008 with both methods 481 Part III: General Insurance Mathematics i) The extension of the "risk exposure" technique and ii) the method of the parallelogram. Comment and justify the unequal relation of the results above