Iron Inc. manufactures fertilizer by mixing two chemicals, A and B. The standard cost of 1 bag of fertilizer is given as follows:

Chemical A	3 lbs	@ $5 per lb
Chemical B	7 lbs	@ $4 per lb

For 2020, the firm produced 1,890 bags of fertilizer. It used 7,000 pounds of Chemical A and 13,000 pounds of Chemical B. The actual cost of both Chemicals A and B was $4 per pound. What is the materials yield variance for 2020?

Enter your answer without a dollar sign or commas, and round to the nearest dollar (if necessary). A favorable variance should be entered as a positive number (e.g, 100) and an unfavorable variance should be entered as a negative number (e.g. -100).