Formulas:
1. Incurred Claims = Paid Claims + Outstanding Claims
2. Policy Run Days = Incurred Claim Date - Policy Start Date + 1
3. Earned Premium = (Premium as on Date / 365) × Policy Run Days
4. Annualised Claims = (Incurred Claims / Policy Run Days) × 365
5. Incurred Claim Ratio = Incurred Claims / Premium as on Date
6. Earned Claims Ratio = Annualised Claims / Premium as on Date