Praveen and Sunny enter into a partnership. Praveen puts in Tk. 50 and Sunny put in Tk. 45. At the end of 4 months Praveen withdraws half of his capital, and at the end of 6 months, Sunny withdraws half of his capital. Ashik then enters with a capital of Tk. 70. At the end of 12 months, in what ratio will the profit be divided?