A trader at the Mothbaria Stock Exchange took a long position in the Payera Stock. He purchased 100 shares of the stock at Tk.46.00 per share. The initial margin requirement was 40 percent while the maintenance margin is 30 percent of current market price. Determine the initial margin, maintenance margin, and the amount of replenishment if the price of Pyera stock changes to (a) Tk.38.00, (b) Tk.52.00, and Tk.85.00