Please solve. .

Shubham kumar (.) (620 Points)

14 December 2012  
A sells goods at 20% Above cost. His sales were Rs.10,20,000 During the year. However, he sold damaged goods for Rs.20,000 Costing Rs.30,000. The sale is included in Rs.10,20,000. The amount of Gross profit will be? . . . . Ans. Is Rs.2,40,000. Please explain How.