Problem:

$$ A is made from $2$ Bs and $1$ C

$$ B is made from $1$ C and $2$ Ds

$$ Master Schedule calls for $50$ A due in week $5$

Part A: Lead time $(1$ week$)$; On hand inventory $(0)$; Lot Size $(1)$

Part B: Lead time $(2$ week$)$; On hand inventory $(30)$; Lot Size $(100)$

Part C: Lead time $(1$ week$)$; On hand inventory $(70)$; Lot Size $(1)$

Part D: Lead time $(1$ week$)$; On hand inventory $(10)$; Lot Size $(1)$

Chapter $14$ MRP Problem $-$ Question $1$: In what week should a planned order be released for part A$?$

Chapter $14$ MRP Problem Question $2$: What is the planned order quantity for part B$?$

Chapter $14$ MRP Problem Question $3$: What is the planned order quantity for Part D$?$

Chapter $14$ MRP Problem Question $4$: What is the last planned order quantity for part C$?$

Chapter $14$ MRP Problem Question $5$: In what week should a planned order be released for part D$?$