A purchasing agent for a particular type of silicon wafer used in the production ofsemiconductors must decide among three sources. Source A will sell the siliconwafers for $2.50 per wafer, independently of the number of wafers ordered. Source Bwill sell the wafers for $2.40 each but will not consider an order for fewer than3,000 wafers, and Source C will sell the wafers for $2.30 each but will not acceptan order for fewer than 4,000 wafers. Assume an order setup cost of $100 and anannual requirement of 20,000 wafers. Assume a 20 percent annual interest rate forholding cost calculations.b. What is the optimal value of the holding and setup costs for wafers when theoptimal source is used?
A purchasing agent for a particular type of silicon wafer used in the production of
semiconductors must decide among three sources. Source A will sell the silicon
wafers for $2.50 per wafer, independently of the number of wafers ordered. Source B
will sell the wafers for $2.40 each but will not consider an order for fewer than
3,000 wafers, and Source C will sell the wafers for $2.30 each but will not accept
an order for fewer than 4,000 wafers. Assume an order setup cost of $100 and an
annual requirement of 20,000 wafers. Assume a 20 percent annual interest rate for
holding cost calculations.
b. What is the optimal value of the holding and setup costs for wafers when the
optimal source is used?
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