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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 $20,000$ units. However, during March the company

actually produced and sold $25,000$ units and incurred the following costs:

a$.$ Purchased $180,000$ pounds of raw materials at a cost of $$7\mathrm{.}50$ per pound. All of this material was used in production.

b$.$ Direct$-$laborers worked $61,000$ hours at a rate of $$16\mathrm{.}00$ per hour.

c$.$ Total variable manufacturing overhead for the month was $$306,220.$

d$.$ Total advertising, sales salaries and commissions, and shipping expenses were $$268,000,$$$485,000,$ and $$175,000,$

respectively.

What is the direct labor efficiency 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.$)$