Question 3 - (10 marks) Phe following table provides monthly sales ($1000) at a college bookstore. The sales show a seasonal pattern, with the greatest number when the college is in session and decrease during the summer months. Calculate all seasonal factors? Then calculate the forecasted sales per month for year 5 - third quarter only. Given that a fiscal year starts in January and ends in December. In year 5 the expected to be a total of $3,600,000 M Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec T 1 2 3 196 188 192 164 140 120 112 140 160 168 192 200 200 188 192 164 140 122 132 144 176 168 196 194 196 212 202 180 150 140 156 144 164 186 200 230 242 240 196 220 200 192 176 184 204 228 250 260 4 B ab A A o time of 5 minutes. a. Draw the precedence diagram for the set of tasks. b. Calculate the minimum number of workstations. c. Show what tasks are assigned to which stations? Using the heuristic rules(assign task with most followers) d. How much idle time is there, summed over all workstations? e. What is the efficiency of this line? Work Task Immediate Predecessor(s) Task Time (seconds) 70 60 120 60 240 100 190 A B D E F G A B CD A EF