DES Company manufactures folding chairs. Direct materials include hard plastic for the seat and back and metal beams for the legs. The standard cost sheet for a single chair includes the following direct materials information: Material Hard plastic Metal beams Quantity 2 sheets 4 beams Cost per Unit $ 2.91 per sheet Total Cost $ 5.82 5.24 $ 1.31 per beam $ 11.06 Last month, DES purchased 28,100 sheets of hard plastic at a cost of $73,341. The company also purchased 56,700 metal beams at a cost of $81,081. DES produced 14,200 chairs. There was no beginning or ending inventory of plastic sheets or metal beams during the month. Required: 1. Compute the following for last month's operations at DES Company: a. The price variance for hard plastic. Indicate whether the variance is favorable or unfavorable. b. The price variance for metal beams. Indicate whether the variance is favorable or unfavorable. c. The total direct materials price variance. Indicate whether the variance is favorable or unfavorable. d. The usage variances for hard plastic and metal beams, and the total direct materials usage variance. Indicate whether each variance is favorable or unfavorable. (Do not round intermediate calculations. Round your answers to the nearest whole dollar amount.) a. Price variance for hard plastic b. Price variance for metal beams c. Total direct materials price variance d. Plastic usage variance Metal usage variance Total materials usage variance