23. The standard costs and actual costs for factory overhead for the manufacture of 2,500 units of actual production are as follows:

	Standard Costs
Fixed overhead (based on 10,000 hours)	3 hours per unit at $0.73 per hour
Variable overhead	3 hours per unit at $1.90 per hour
Actual Costs
Total variable cost, $18,000
Total fixed cost, $7,800

The fixed factory overhead volume variance is

a.$1,825 unfavorable

b.$0

c.$1,460 unfavorable

d.$1,460 favorable

27. Mason Corporation had $1,125,000 in invested assets, sales of $1,234,000, operating income amounting to $211,000, and a desired minimum return on investment of 12%.

The residual income for Mason Corporation is

a.($6,000)

b.$76,000

c.$0

d.$106,400

30. The Central Division for Chemical Company has a return on investment of 24% and an investment turnover of 1.69. The profit margin is

a.11.36%

b.14.20%

c.21.30%

d.17.04%