1. Standard costs and actual costs incurred for the manufacturer of 8,000 units of product were as follows: Standard Costs Actual Costs Direct Materials: 8,000 lbs. $30.00 Direct Materials: 7.750 lbs $30.20 Direct Labor: 10,000 hours 536.50. Direct Labor: 10.250 hours $38.00 Determine (a) the quantity variance, price variance, and total direct materials cost variance; (b) the time variance.rate variance, and total direct labor costvarnice