Even though the following limit can be found using algebraic simplification, use LHOpital's rule to find the limit$.$

$\underset{x-10}{lim}\frac{x10}{x^{2}18x80}$

Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

A$.\underset{x-10}{lim}\frac{x10}{x^{2}18x80}=$

$($Simplify your answer.$)$

B$.$ The limit does not exist.