With an explanation please

The following information summarizes the standard cost for producing one metal tennis racket frame at Spaulding Industries. In addition, the variances for one month's pr accounts have zero balances at the beginning of the month. are given. Assume that all inventory Standard Cost Standard Monthly Costs $10,920 19,500 Per Unit Materlals Direct Labor 3 hrs.$2.50 Factory Overhead: Variable ixed S 4.20 7.50 1.60 5.50 S 18.80 4,160 4,300 $48,880 Variances Material price Material quantity Labor rate Labor efficiency 307.50 unfavorable 210.00 unfevorable 680.00 favorable 2.450.00 unfavorable What was the actual quantity of materials used during the month? 2,000. 2,073 O 2650 O 1950