Final answer:
More information is needed to determine how many additional units of E are needed to produce ten end items.
Step-by-step explanation:
To find out how many additional units of E are needed to produce ten end items, we need to look at the information given in the question. Unfortunately, the information provided is not directly related to the question, so we cannot accurately determine the answer. We would need more information about the relationship between units of E and end items in order to solve this problem.