BatCo makes metal baseball bats. Each bat requires 1.00 kg of aluminum at $20 per kg and 0.20 direct labor hours at $26 per hour. Overhead is assigned at the rate of $40 per direct labor hour. QS 21-6 Cost variances LO C2 Assume the actual cost to manufacture one metal bat is $39.20. Compute the cost variance and classify it as favorable or unfavorable.