Answer:
Sales volume variance $26,250 Favorable
Step-by-step explanation:
The sales volume variance is calculated as the difference between the budgeted and the actual sales volume multiplied by he standard contribution per unit 
 Units 
Budgeted sales units 225,000 
Actual sales units  230,000 
Sales volume 5,000 favorable 
Standard contribution(9-3.75)  × $5.25 
Sales volume variance  $ 26,250  
Sales volume variance $26,250 Favorable
Note standard contribution = standard selling price - standard variable cost