I'm having trouble solving this problem

The earnings per share (EPS) for firm C are given below for various scenarios: Data for Firms A and B are as follows: E(EPSA)=$5.6 and A=$3.72, E(EPSB)=$4.5 and B=$3.48. Part 1 Attempt 1/5 for 10p What is the expected value of firm C's EPS? Part 2 - Attempt 1/5 for 10pt What is the coefficient of variation for firm A? What is the coefficient of variation for firm B? Assume that c=4.688. What is the coefficient of variation for firm C ? Attempt 1/5 for Which stock is most risky based on the coefficient of variation? Firm A Firm C Firm B