In: Accounting
One of your Taiwanese suppliers has bid on a new line of molded
plastic parts that is currently being assembled at your plant. The
supplier has bid $0.10 per part, given a forecast you provided of
100,000 parts in year 1; 400,000 in year 2; and 700,000 in year 3.
Shipping and handling of parts from the supplier’s factory is
estimated at $0.02 per unit. Additional inventory handling charges
should amount to $0.006 per unit. Finally, administrative costs are
estimated at $20 per month.
Although your plant is able to continue producing the part, the
plant would need to invest in another molding machine, which would
cost $10,000. Direct materials can be purchased for $0.06 per unit.
Direct labor is estimated at $0.05 per unit plus a 50 percent
surcharge for benefits; indirect labor is estimated at $0.009 per
unit plus 50 percent benefits. Up-front engineering and design
costs will amount to $40,000. Finally, management has insisted that
overhead be allocated if the parts are made in-house at a rate of
100 percent of direct labor cost. The firm uses a cost of capital
of 14 percent per year.
a. Calculate the difference in NPVs between the
Make and Buy options. Express all costs as positive values in your
calculations. It is suggested to use the NPV function in Excel.
(Do not round intermediate calculations. Round your answer
to 2 decimal places.)
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My answer of 112,358.46 is wrong and I have tried to solve this problem multiple ways. Can you please help me out?