May you please help me calculate B0 and B1 for this regression model.

(1.4) The table below describes the sales (y,) of a certain product in two consecutive years. As- sume that the simple linear regression model y, = Bo + Bit + , provides the trend of the data. year month time (t) sales (vi) 200 211 203 247 239 269 311 262 260 256 261 12 288 13 296 14 276 15 305 NNNNNNNNNNNN - - - - - 16 308 17 356 18 393 19 363 20 386 21 443 22 308 23 365 24 391 (a) Calculate the point estimates , and , of , and 1, respectively. Then write down the fitted model. Do not use Excel built-in routines for regression, but you can use Excel as a calculation spreadsheet. (8)