3. 20pt] Answer the questions below given the following information: Calendar Year 2014 2015 2016 Average Earned Premium Average Written Premium at at Current Rate Level Current Rate Level $210 $212 $220 $224 S235 $240 i) The projected annual premium trend is -2.0%. ii) A calendar-accident year data aggregation is used for indications iii) All are annual policies iv) Rates are effective for 1 year v) The rate revision is planned to be effective 1/1/2018 (a) [10pt] Calculate the premium trend factor for each year using two-step trending, (b) (10pt] Identify two scenarios that could lead to a negative premium trend when analyzing average premium at current rate level