Lead Time Item On-Hand Inventory 10 2 Stepper A 1 20 Components A(2), B(2), C(2) D(1), F(3) E(1), F(2) D(2), E(3) B 2 20 2 10 D 1 15 E 5 NN F 20 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 9. Subsc 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 A(2) B(2) C(2) D(1) F(3) E(1) F(2) D(2) E(3) b) Choose the correct time-phased structure. b) Choose the correct time-phased structure. OA. B. C. D D D D A A A F F a E E B stepper B stepper stepper B B stepper F F D D D D E E E E 9 2 2 9 2 3 4 5 6 7 8 Time in weeks 3 4 5 6 7 8 9 Time in weeks 3 4 5 6 7 8 Time in weeks 2 3 4 5 6 7 8 9 Time in weeks c) Develop a net material requirements plan for F (enter your responses as whole numbers). Week Lead Time (weeks) Item 2 3 4 5 6 7 8 9 F Gross req On hand Net req 2 Order receipt Order release