Please note the numbers may change from one question to another.

Topgun Records and several movie studios have decided to sign a revenue$-$sharing contract for CDs$.$ The demand is forecasted to be normally distributed with a mean of $8,000$ and a standard deviation of $2,500.$

Suppose the unit underage cost and unit overage cost are $$6\mathrm{.}5$ and $$1,$ respectively, how many copies of CDs should Topgun order?

Group of answer choices

$5200$

$10020$

$8000$

$10800$

$10167$