can anyone answer ? with the steps

79. A cottage is valued at 100,000 and is covered by two fire insurance policies, one with a sum insured of 50,000 and the other with a sum insured of 100,000. Under the principle of contribution, what maximum payment will the insured receive from the first policy if a fire causes damage costing f60,000 to repair? 100 value A. 20,000 B. 25,000 C. 30,000 D. 50,000 Loss 60 rooo