Answer part C only please!

Xx Problem 14.19 Question Help 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. Subscripts indicate quantity required for each parent. Assume lot-for-lot ordering. This exercise contains only parts b and c. B: Click the icon to view information about the steppers. The product structure is as follows: Stepper A (2) B(3) C(2) D(1) E(2) F(2) D(2) E(1) b) Choose the correct time-phased structure. - X i More Info Lead Time Item Stepper On-Hand Inventory 10 2 A 1 Components A(2), B(3), C(2) D(1), F(3) E(2) F (2) D(2), E(1) B 10 20 10 2 2 D 1 15 E 2 5 F 2 20 Print Done b) Choose the correct time-phased structure. OB. OC. D. D D D D A . F F F E F E E B stepper stepper B B stepper B stepper F D D D E E E E 2 8 9 9 2 9 9 2 3 5 6 7 8 Time in weeks 3 5 8 Time in weeks Time in weeks 5 Time in weeks c) Develop a net material requirements plan for F (enter your responses as whole numbers). Week 5 Lead Time (weeks) Item 2 3 4 6 7 8 9 F Gross req On hand Net req 2 Order receipt Order release