Please solve the 5th question for me. Thankyou

5. Preferred Ltd. Issued 30,000, 15% Preference shares of Rs. 100 each. The cost of issue was Rs. 30,000. Determine the cost of Preference Capital if shares are issued (a) at par (b) at a premium of 10% and (c) at a discount of 10%. (Ans: at par: 15.15%, at Premium at 13.76%, at discount 16.85%) 7. ABC Ltd. issues 20,000, 8% preference shares of Rs. 100 each. Redeemable after 8 years at a premium of 10%. The cost of issue is Rs. 2 per share. Calculate the cost of preference share capital. (Ans: Kp- 9.13%)