A property-causality insurer brings in $6.45. million to premiums on its homeowner's multiple line of insurance.The line's losses amount to $4,267,000, expenses are $1,347,250, and dividends are $410,000. The insurer earns $495,000 in the investment of its premiums.Calculate the line's loss ratio, expense ratio, dividend ratio, combined ratio, investment ratios, operating ratios, and overall profitability.