Preble Company manufactures one product. Its variable manufacturing overhead is applied to production based on direct

labor$-$hours and its standard cost card per unit is as follows:

The company also established the following cost formulas for its selling expenses:

The planning budget for March was based on producing and selling $30,000$ units. However, during March the company

actually produced and sold $34,500$ units and incurred the following costs:

a$.$ Purchased $150,000$ pounds of raw materials at a cost of $$9\mathrm{.}20$ per pound. All of this material was used in production.

b$.$ Direct$-$laborers worked $62,000$ hours at a rate of $$17\mathrm{.}00$ per hour.

c$.$ Total variable manufacturing overhead for the month was $$390,600.$

d$.$ Total advertising, sales salaries and commissions, and shipping expenses were $$280,000,$$$490,000,$ and $$185,000,$

respectively.

If Preble had purchased $177,000$ pounds of materials at $$9\mathrm{.}20$ per pound and used $150,000$ pounds in production, what would be

the materials quantity variance for March? $($Indicate the effect of each variance by selecting $"$F$"$ for favorable, $"$U$"$ for unfavorable,

and "None" for no effect $($i$.$e$.,$ zero variance.$).$ Input the amount as a positive value.$)$