A watch dealer incurs an expense of Rs $150$ for producing every watch. He also incurs an additional expenditure of Rs. $30,000$, which is independent of the number of watches produced. If he is able to sell a watch during the season, he sells it for Rs. $250$. If he fails to do so, he has to sell each watch for Rs. $100$.

If he is able to sell only $1200$ out of the $1500$ watches he has made in the season. then in the season he has made a profit of

- Rs. $90,000$
- Rs. $75,000$
- Rs. $45,000$
- Rs. $60,000$