- More Info Lead Time 2 1 Item Stepper B D E F Components A/2), B(3), C2) D(1), F(2) E2), F(3) D2), E1) 2 3 On-Hand Inventory 20 10 20 10 15 5 20 N N N 1 2 2 Heather Adams, production manager for a Colorado exercise equipment manufacturer, needs to schedule an order for 50 UltimaSteppers, which are to be shipped in week 8. Subscripts indicate quantity required for each parent. Assume lot-for-lot ordering. This exercise contains only parts b and c. Click the icon to view information about the steppers. The product structure is as follows: Stepper Aq) B3) C() P(1) FC) E(2) FC3) D) E(1) b) Choose the correct time-phased structure OA. OB. C. OD Q D D D . A A A F F E F E E Bl stepper E B stepper B stepper stepper B F F D D F D D D C CI C C E E E E 8 1 2 3 4 5 6 7 8 Time in weeks 1 2 3 4 5 6 Time in weeks 1 2 3 4 5 6 7 8 Time in weeks 1 2 3 4 5 6 7 8 Time in weeks c) Develop a net material requirements plan for F (enter your responses as whole numbers). Week Item Lead Time (weeks) 1 2 3 4 5 6 7 8 F Gross req On hand 2 Net req Order receipt Order release