About Insurance, which one is wrong? a. insurance firms purchase re-insurance to reduce/alleviate/diversify the risk. b. Deposit insurance is used in commercial banking businesses. c. Underwriting and reinsurance risks are the major risks for insurance companies. d. Categorized as Life insurance and non-life (property/casualty, including medical) insurance. e. The US became a dominant insurer from modest roots planted in the 16th century.