City Outfitters incurred an unfavorable labor efficiency variance of $$301$ in their factory while making a new style of shirt. The standard rate for an hour of labor is $$10\mathrm{.}75$ and $385$ hours were worked to make $595$ shirts. Labor costs were $$4,196\mathrm{.}50.$ What is the amount of standard hours for this level of activity?

a$.385$ hours

b$.357$ hours

c$.384\mathrm{.}2$ hours

d$.413$ hours