LPM Ltd. uses units produced as its measure of activity. During August, the company budgeted for 46,700 units of output, but actually produced 48,900 units of output. The company uses the following revenue and cost formulas in its budgeting, where q is the number of units of output:

Revenue: $10.40q
Salaries: $31,050 + $2.45q
Supplies: $1.25q
Utilities: $0.60q
Insurance: $23,090
Miscellaneous expenses: $13,800 + $0.21q

The company reported the following actual results for August:
Revenue $ 491,250
Salaries $ 148,360
Supplies $ 55,795
Utilities $ 31,920
Insurance $ 22,100
Miscellaneous expense $ 20,845

The revenue variance in August is: