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The accounting records of Blossom Electronics show the following data.

Beginning inventory $,4,000$ units at $$6$

Purchases $,8,500$ units at $$8$

Sales $,10,900$ units at $$11$

$($a$)$

x Your answer is incorrect.

Calculate weighted$-$average unit cost. $($Round answer to $3$ decimal places, e$.$g$.5\mathrm{.}125.)$

Weighted$-$average unit cost $