Infinity Clock Company prepared the following static budget for theyear:

Static Budget

Units/Volume

9 comma 000

9,000

Per Unit

Sales Revenue

$ 7.00

$7.00

$ 63 comma 000

$63,000

Variable Costs

1.00

1.00

9 comma 000

9,000

Contribution Margin

54 comma 000

54,000

Fixed Costs

3 comma 000

3,000

OperatingIncome/(Loss)

$ 51 comma 000

$51,000

If a flexible budget is prepared at a volume of 8 comma 400

8,400 units, calculate the amount of operating income. The production level is within the relevant range.