please answer both parts to this SINGLE question, DO NOT only answer part A, please include A, and B for an upvote.

The following table lists the components needed to assemble an end item, lead times (In weeks), and quantities on hand. Amount on Hand Item End L C K B Lead Time 2. 2 3 3 2 3 3 3 8 13 18 26 33 4 Direct Components L(2), C(1), K(3) B(2), 3(3) G(2), B(2) H(4), B(2) G H B Click here for the Excel Data File a. If 43 units of the end Item are to be assembled, how many additional units of B are needed? (Hint You don't need to develop an MRP plan.) Answer is not complete. Additional units b. An order for the end item is scheduled to be shipped at the start of week 10. What is the latest week that the order can be started and still be ready to ship on time? (Hint You don't need to develop an MRP plan.) Answer is complete but not entirely correct. The latest week 8