Chаpter 20а: Cаlculate the оperatiоnal risk capital requirement under the Basic Indicatоr Approach (BIA) for Bank Sigma, given the following gross income data over the last three financial years: Year 1: $150 million Year 2: -$40 million Year 3: $250 million Assuming the fixed regulatory percentage is 15%, what is the correct operational risk capital charge for Bank Sigma?