Answer:
A.$9,000
Explanation:
The increase in the Lyman company after tax profit shall be calculated as follows:
Increase in credit sales                     $100,000
Less:expenses for collecting sales            ($15,000)
(15%*$100,000)
Less:Manufacturing and selling expenses      ($70,000) Â
(70%*$100,000)
Profit before tax                           $15,000
Less: taxation(40%*15,000) Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â ($6,000)
Profit after tax                              $9,000
So based on the above calculations, the answer is A.$9,000