During the month of March, Baker's Express purchased $10,000$ pounds of flour at $$1$ per pound. At the end of March Baker's Express found that it had an unfavorable materials price variance of $$500.$ The standard cost per pound must be

$51\mathrm{.}00$

$51\mathrm{.}05$

$$1\mathrm{.}95$

$3095$