Naveen runs a tea stall. Every day, he buys 10 litre of milk at the rate of Rs. 55 per litre. He spends Rs. 85 on tea leaves, Rs. 75 on sugar, and Rs. 35 on cooking gas. With all these ingredients, he makes and sells 100 cups of tea. Additionally, Naveen spends 55 paise per disposable glass to serve the tea. At what price should he sell each cup of tea to earn a profit of 50% on the entire transaction?

• A. Rs. 16
• B. Rs. 10
• C. Rs. 12
• D. Rs. 15