NewTone, Inc makes MP3 players and uses standard costing. They recently used 20,000 labor hours to produce 7,000 units. They originally budgeted 21,000 hours to produce 10,000 units with payroll of $332,000. The companys actual payroll cost amounted to $308,000. What was the direct labor rate variance? Please round to the nearest dollar at the end of your calculations. Also, type "u" for unfavorable or "f" for favorable to indicate the direction of the variance.