hedule calls for the production of 50 A units, how many Item E units are needed? same as above, production of 50 A units, how many D units are needed?...

If if the master schedule calls for the production of 50 A units, how many Item E units are needed?

same as above, production of 50 A units, how many D units are needed?

Could someone please explain this to me? I am confused and I cannot find an explanation anywhere on how to compete these types of problems.