1. Cryptic Industries has total liabilities of $323million and recently invested in a project worth $5 million. What is Cryptic Industries 's surplus, if the company has total assets of $737million?

2. GTA Construction Corporation constructed two buildings near the San Andreas fault line. The probability that either of these buildings will experience an earthquake is 6.7 percent. However, if one building experiences an earthquake, the probability that the second building will experience an earthquake is 90 percent. What is the probability (in percent) that both buildings will experience earthquake damage?

3. Hishiba Company assembles hard drives and has plants in both the South and the North, spaced about 3,000 miles apart and connected by light rail. Hishiba is worried about local rain causing flooding at their plants. The probability that in any given year a flood will damage the North plant 7.2 percent. The probability that in any given year a flood will damage the South plant is 11 percent. What is the probability (in percent) that at least one of the plants will be damaged by flood in any given year?

4. Lonestar Insurance provides liability insurance to its client base of 13,712 clients. Every year, about 1,771 lawsuits are covered by Lonestar. What is the probability (in percent) that one of their clients will be served with a liability lawsuit in any given year?