Variable Overhead Standard Cost and Flexible Budget. Manhattan Company produces high-quality chairs. Variable manufacturing overhead is applied at a standard rate of $10 per machine hour. Each chair requires a standard quantity of three machine hours. Production for July totaled 3,000 units. Calculate (a) standard cost per unit for variable overhead and (b) flexible budget amount for variable overhead for the month of July.

Materials Price Variance. Sweets Company produces boxes of chocolate. The company expects to pay $5 a pound for chocolate. Sweets purchased 4,000 pounds of chocolate during the month of April for $4.80 per pound. Calculate the materials price variance for the month of April.

Materials Quantity Variance. Sweets Company produces boxes of chocolate. A standard of 2 pounds of material is expected to be used for each box produced, at a cost of $5 per pound. Sweets produced 1,000 boxes of chocolate during the month of April and used 2,200 pounds of chocolate. Calculate the materials quantity variance for the month of April.