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Problem $10-23$ Suppose your manager presents you with the following information about machines that could be used for a job, and wants your recommendation on which one to choose. The specification width is $\mathrm{.}48$ mm$.$ In this instance, you can narrow the set of choices, but you probably wouldn$$t make a recommendation without an additional piece of information. $($Round your answers to $3$ decimal places.$)$ Machine Cost per Unit $($$$)$ Standard Deviation $($mm$)$ A $18\mathrm{.}053$ B $12\mathrm{.}060$ C $12\mathrm{.}068$ D $10\mathrm{.}061.$

find Cp for Process A B C D