Answer:
$180,000 Increase
Explanation:
The effect on operating profits can be determined by calculating the incremental income or loss arising from the special order.
Incremental analysis of accepting special order
Sales (60,000 × $30)                      $1,800,000
Less Variable Costs :
Direct materials ($ 10 × 60,000)              ($600,000)
Direct labor ($ 7 × 60,000)                  ($420,000)
Variable overhead ($ 6 × 60,000)            ($360,000)
Selling Costs ( $4 × 60,000)                 ($240,000)
Incremental Income/(loss) Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â $180,000
Conclusion :
If Faulkland accepts the special order, operating income will increase by  $180,000.