Categorize the following events as systematic or non-systematic risks. i. Christine Lagard announces emergency monetary policy measures to increase interest rates. ii. The European Union imposes a huge fine on Internet companies for violation of the law on personal data iii. The Council of State decides that companies will have increased responsibilities for health problems that may occur to their employees and related to their work. iv. An oil tanker sinks near the shores and creates a large oil slick.