I need part "B.)" answered, please.

Problem 14.4 Question Help o Click the icon to view the product structure, Your boss at Xiangling Hu Products, Inc., has just provided you with the schedule and lead times for the bracket. The unit is to be prepared in week 10. The lead times for the components are bracket (1 week), base (1 week), spring (1 week), clamp (1 week), housing (3 weeks), handle (2 weeks), casting (4 weeks), bearing (1 week), and shaft (1 week). a) Choose the correct time-phased product structure for the bracket. . . OB Oc. OD. handle clamp casting base bearing bracket housing shaft spring handle clarn: casting 478010 Time in weeks handle clamp castinal base bearing 2 bracket housing shaft spring handle clamp Casting handle clamp Q casting base bearing 3 bracket housing shaft spring handle damp Casting 3 4 5 7 8 9 3 4 5 6 7 8 9 10 Time in weeks handle clamp casting base bearing bracket housing shaft spring handle damp casting 3 4 5 6 7 8 9 10 Time in weeks 3 4 5 6 1 8 9 10 Time in weeks Click to select your answer and then click Check Answer. 7 1 part remaining Clear All Check Answer b) In what week do you need to start the castings? The castings need to be started in week (enter your response as a whole number). Enter your answer in the answer box and then click Check Answer. ? All parts showing Clear All Check