2. a.Obtain the linear trend equation for the following data on new checking accounts at Fair Savings Bank and use it to predict expected new checking accounts for periods 16 through 15. 247 274 279 287 309 b. Use trend-adjusted smoothing with @ =.3 and p =.2 to smooth the new account data in part a. What is the forecast for period 167 3. The following equation summarizes the trend portion of quarterly sales of condominiums over a long cycle. Sales also exhibit seasonal variations. Using the information given, prepare a forecast of sales for each quarter of next year (not this year), and the first quarter of the year following that. F.= 40 - 6.5t + 2t^2 where F-=Unit Sales t=0 at, the first quarter of last year Quarter Relative 1 1.1 2 1.0 3 .7 4 1.2