The cost analyst for Sheffer Systems collected the following data concerning direct materials:

$```$

Actual production $37,200$ units

Direct materials purchased $($actual$)$ $ $718,700$

Standard cost of materials purchased $723,600$

Standard direct materials costs per unit produced $17$

Standard price times actual amount of materials used $650,200$

$```$

Required:

Compute the direct materials cost variances.

Note: Indicate the effect of each variance by selecting $"$F$"$ for favorable, or $"$U$"$ for unfavorable. If there is no effect, do not select either option.