The y HAVE INPUTED IS WRONG THE T IS RIGHT , NEED HELP WITH THE REST

Problem 3-9 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. (Round your intermediate calculations and final answers to 2 decimal places.) Period 1 2 3 4 5 New Accounts 200 218 211 225 235 Period 6 7 8 9 10 New Accounts 239 248 250 251 267 Period 11 12 13 14 15 New Accounts 281 275 282 288 306 Y 194.72 + 7.000 t Y16 Y17 = Y18 = Y19 b.Use trend-adjusted smoothing with a = 2 and = 1 to smooth the new account data in part a. What is the forecast for period 16? Compute the initial trend estimate (Tt) for Period 5 as follows: (Period 4 data - Period 1 data)/3. Then compute the initial trend- adjusted forecast (TAFt) for Period 5 as follows: Period 4 data + Initial trend estimate for Period 5. Then compute all remaining values (including the St value for Period 5) using the textbook formulas or Excel template. (Round the "Trend"values (Tt) to 3 decimal places and all other intermediate forecast values (TAFt and St) to 2 decimal places. Round your final answer to 2 decimal places.) Forecast for period 16