Answer:
a) Sales volume variance = $1496000 unfavorable
flexible-budget variance = $192000 favorable
b) For direct materials
Price variance = `$135000 unfavorable
efficiency variances = $527920 favorable
For direct manufacturing labor
Price variance = `$36600 unfavorable
efficiency variances = $914815 favorable
Explanation:
a) Sales volume variance = (Actual units sold - Budgeted units sold) x Budgeted price per unit = (4800 - 7000) × $680 = $1496000 unfavorable
flexible-budget variance = (Actual price - Budgeted price) x Actual units sold= ($720 - $680) × 4800 = $192000 favorable
b) For direct materials
Price variance = (Actual cost - standard cost) x Actual quantity of units purchased = ($5.95/ pound - $8/pound) × 66000 pound= `$135000 unfavorable
efficiency variances = (Actual unit - Standard unit) x Standard cost per unit = (66000 pound - 10 pound) × $8 per pound= $527920 favorable
For direct manufacturing labor
Price variance = (Actual cost - standard cost) x Actual hours = ($48/hour - $50/hour) × 18300 hours = `$36600 unfavorable
efficiency variances = (Actual hours - Standard hours) x Standard cost per hour= (18300 hour - 3.7 hour) × $50/hour = $914815 favorable