1000 kg of art board valued at Rs. 5,000 were issued for the manufacture of medium-sized cartons. The details are as follows:
- 1000 Nos medium-sized cartons weighing 0.50 kg each were manufactured.
- 250 kg of off-cuts were used for the manufacture of small-sized carton. This would have amounted to Rs. 500.
- 150 medium-sized cartons were damaged and rectification costs came up to Rs. 100.
- 50 kg of off-cuts were sold as scrap for Rs. 10.
You are required to calculate the cost of one medium-sized carton, assuming that there are no opening and closing stocks.