A person quit his job to start his business. In job, he earned own Tk. 20,000 per month. In the first year of running the business, he earned revenue of Tk. 7,50,000.

To generate revenue, it incurred cost of production Tk. 3,00,000, rent Tk. 1,00,000 and wages Tk. 1,50,000. Considering the above information :