Develop the material requirements plan for component H of the end product A that has the following product structure tree. Lead times for A and each component except B are one week. The lead time for B is three weeks. Sixty units of A are needed at the start of week 8. There are currently 15 units of B and 130 units of E on hand, and 50 units of H are in production by a supplier and are scheduled to be received by die start of week 2.