Concord Company has a materials price standard of $$2\mathrm{.}50$ per kilogram. $3960$ kilograms of materials were purchased at $$2\mathrm{.}30$ a kilogram. The actual quantity of materials used was $3490$ kilograms, although the standard quantity allowed for the output was $3390$ kilograms.

Concord Company's materials price variance is

$$ $$698$ U$.$

$$ $$792$ F$.$

$$ $$792$ U$.$

$$ $$692$ F$.$