Based on the following, what is the total product cost flexible budget variance? Total Product Cost Flexible Budget Variance Total Direct Materials Variancc ib) Total Direct Labor Variancc Total Manufacturing Overhead Variance Direct Materials Materials Direct Labor Labor Efficiency Variance Variance Cost Variance Variance $150 U Siso U SS00 F Direct Total Variable Total Fixed Cost Efficiency Overhead Variance Overhead Variance $300 F Variable Overbead Cost Variable Overhead Fixed Overhead Variance 5350 U Efficiency Variance 423 F Cost Varianice O A. $725 F OB. S450U O C. $725 U O D. $925 F