Use the following product structure tree to develop the MRP plan for the components A

and B$.$ Finished product X will be shipped $110$ quantities at the start of week $6$ and $100$

quantity at the start the week $7.$ One case of A $(50$ units in one case$)$ is scheduled at

week $4,5,6,7$ and One case of B $(30$ units in one case$)$ is scheduled at week $5,6.$

There are $30$ units of A and $10$ units of B now on hand. Lead time for all the

components is one week.