Match the variance to the correct definitions.

Cost Variance

Efficiency variance

Flexible budget variance

sales volume variance

static budget variance

a.	The difference between the expected results in the flexible budget for the actual units sold and the static budget.
b.	The difference between actual results and the expected results in the flexible budget for the actual units sold.
c.	Measures how well the business keeps unit costs of material and labor inputs within standards.
d.	The difference between actual results and the expected results in the static budget.
e.	Measures how well the business uses its materials or human resources.