4. Daisha also owns a commercial office building that is insured under three property insurance contracts. She has $100,000 of insurance from Company A, $200,000 from Company B, and $200,000 from Company C. Assume that the pro-rata liability provision appears in each contract. a. If a $100,000 loss occurs, how much will Daisha collect from each insurer? Show your work or explain your answer. b. What is the purpose of the other-insurance provisions that are frequently found in insurance contracts