A B C D E F Day 1 Day Day Day Day 2 3 4 5 Day 6 Day Day Day Day Day Day 7 8 9 10 11 12 Image Caption: The x axis shows the day, ranging from day 1 to day 12. The y axis lists the activities, A through F. For the horizontal line corresponding to activity A, the first three blocks (representing the first 3 days) are shaded. For the horizontal line corresponding to activity B, blocks 3 through 6 (representing day 3 through 6) are shaded. For the horizontal line corresponding to activity C, blocks 1 and 2 are shaded. For the horizontal line corresponding to activity D, blocks 7,8,9 are shaded. For the horizontal line corresponding to activity E, blocks 5,6 are shaded. For the horizontal line corresponding to activity F, blocks 10,11 are shaded. Activity Depends On Duration Estimate Cost per day A 3 $1000 B $1000 C 2 $1000 D B 3 $2000 E A, C 2 $1000 LL F D, E 2 $1000