2. A construction firm has 15,000 employees in each of the past five years and over the five-year-period; there were 1,200 workers injured, If the total injury cost for the company over the period is GHC 160,000, Calculate the ; a. i) Frequency of injury per year. ii) Average severity of injury. iii) Annual expected loss per employee. b. State two ways by which a risk manager can quantify the frequency of losses for his firm if historical data not exist? c. Each party to an insurance contract is bound to observe the utmost good faith in the course of contract. State and explain the circumstances that may give rise to breach of duty on the insured.