CASE APPLICATION Carolyn is senior vice president of finance and chief actu- ary for Rock Solid Insurance Company (RSIC). Lonnie is double-majoring in finance and mathematics at State University. Lonnie applied for an internship with Rock Solid, and he is working for the company during the summer before the start of his senior year of college. Curious to learn what Lonnie knew about insurance company financial statements and rate making. Carolyn prepared a quiz for Lonnie to take on his first day on the job. See if you can help Lonnie answer these questions. 1. At year-end last year, Rock Solid had total liabilities of $640 million and total assets of $900 million. What was the company's policyholders' surplus? 2. Explain how it is possible for Rock Solid to have $500 million in written premiums last year and $505 million in earned premiums last year