You need to schedule 10 units of product Alpha for delivery in 6 weeks. Three units of D and 2 units of F are required for each Alpha. The lead time for Alpha is 1 week. Lead time for D is 1 week, and lead time for F is 2 weeks. Part 2 a) Complete the product structure. D(3) Alpha D(2) F(2) F(3) Alpha Part 3 b) Choose the correct time-phased product structure below. A. Time in weeks 1 2 3 4 5 6 A F D A horizontal line labeled Time in weeks, marked with 6 ticks from left to right. From the left, the ticks are labeled 1, 2, 3, 4, 5, and 6. Above this, there is a horizontal line segment from 5 to 6 labeled A. A vertical line segment is originated from 5 and passes through A to go up. This line segment has 2 horizontal line segments from 4 to 5 and 3 to 5 and labeled as F and D respectively. Line segment F placed above A and line segment D placed below A. B. Time in weeks 1 2 3 4 5 6 F A D A horizontal line