The auto repair shop of Quality Motor Company uses standards to control the labor time and labor cost in the shop. The standard labor cost for a motor tune$-$up is given below:

$\backslash$table$[[,$Standard,,$],[$Motor tune$-$up$,$Hours,Standard Rate Standard cost,$],[,2\mathrm{.}50,$$$36\mathrm{.}00,$$$90\mathrm{.}00$