Mr. Abul Kashem has set up a poultry firm with an investment of TA. 50.000 . He gets an average yearly income of TA. 36,000 from the firm. If he did not set up this poultry from such grocery he could get an yearly income of TA. 39,000 . What is the opportunity cost of the Poultry firm that Mr. Kashem is running?
