Garden Tools Company is a major manufacturer of garden hand tools. Their product range is given the Hand weeder , Hand Rake , Hand weeding , Hand Trowel and Hand fork . The company has a production unit in Bid Bid where they manufacture the component parts in economic batches and assembles them into the final product in required quantities as and when there is a demand for the product.

All the five tools have similar construction which contains of a wooden handle, a steel ferrule and the part end which may be a weeder, rake, weeding fork, trowel or a fork as the case may be (the construction of a hand rake is shown in the ( wooden Handle , steel Ferrule , Rake ) construction of a hand rake

The company uses the same type of handle and ferrule for all the tools. The company has an efficient production system in which the individual parts are manufactured as and when the demand arises.

1. Prepare individual BOM product trees for the five products.

2. Determine when the purchase orders are to be released for the wooden handle and steel ferrule if the expected customer demand for the final products are as given in the Table 4

week	11	12	13	14	15	16
Hand weeder	35	10	15	10	15	30
Hand Rake	20	30	20	10	10	35
Hand weeding Fork	25	15	15	20	20	25
Hand Trowel	5	5	35	15	15	20
Hand Fork	15	35	25	25	35	25

the table 4a. Expected customer demand for the hand tools

Table 4.b shows the current stock positions of the various garden tools and the individual component parts in store.

SI. NO	product	current stock level
1	Hand weeder	40
2	Hand Rake	40
3	Hand weeding Fork	30
4	Hand Trowel	20
5	Hand Fork	30
6	wooden Handle	25
7	steel Ferrule	15
8	weeder ( part end )	20
9	Rake (part end )	25
10	weeding Fork (part end )	20
11	Trowel (part end )	20
12	Fork (part end )	15

Table 4.b Current Stocks of the products and the individual parts