SLION 2) A graph of a flexible budget formula reflects fixed costs of $40,000 per month and total costs of $84,000 at a volume of 4000, units. Assuming the relevant range is 1,000 to 20,000 units, the graph would reflect total monthly costs at 8000 units of what dollar amount? $88,000 $128.000 $212,000 $84,000