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 19. Period New Accounts Period New Accounts Period New Accounts 200 232 11 281 214 248 12 275 3 211 8 252 13 280 228 9 253 14 288 235 10 267 15 310 b. Use trend-adjusted smoothing with a = .3 and ẞ=.2 to smooth the new account data in part a. What is the forecast for period 16?