Week Mon Tues Wed Thurs Fri Sat 1 162 174 118 148 202 305 2 171 186 122 161 212 322 3 179 192 126 166 219 350 a) Use the multiplicative model to find the trend and the additive model to find the seasonal factors. b) Seasonally adjust the data for week 3 using additive model. c) Forecast the level of sales on Monday and Tuesday of week 4 and comment upon the likely accuracy of your answer.