At the standard mix, the standard price of input units per finished goods unit is $100 (also known as the "price per batch"), and the standard number of input units per finished goods unit is 10. The firm's actually completed 10,000 finished goods units and used 90,000 input units.

What is the firm's yield variance (round variance to nearest cents if necessary)?

Group of answer choices

1. Cannot be determined because we do not know the actual mix of inputs.

2. $100,000 favorable

3. $100,000 unfavorable

4. Cannot be determined because we do not know the standard mix of inputs.