Holland Company is a garden products wholesale firm. In December, Holland Company expects to sell 84,000 bags of vegetable fertilizer at an average price of $8.75 per bag. Actual results are 85,000 bags sold at an average price of $8.50 per bag.

Required:
1. Calculate the sales price variance for December.
2. Calculate the sales volume variance for December.
3. Calculate the overall sales variance for December. Explain why it is favorable or unfavorable.
4. What if December sales were actually 83,500 bags? How would that affect the sales price variance? The sales volume variance? The overall sales variance?