Suppose a wafer has the diameter of 300mm and costs $200, a die
is a 12x10 mm square, the defect rate is 0.014‰ per square mm, the
cost of packaging and testing is $30, and the final chip test yield
is 99%. How many dollars should a chip be sold for so that the
profit margin is 30%? Profit margin = (net profit) / cost * 100%,
and net profit = sale price - cost.
To do the calculation, use the formulas provided in Section 1.5 on
the textbook. Use 3.1415 for Π (Pi). Round the result to the
nearest tenth. Make sure there is one digit after the decimal
point
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