3. Given the following for policy year 2021 for a certain business line: - Premium: 1,600,000. - Expected claims emerged at 12/24/36 months: 53\%/68\%/82\%. - Reported claims as of December 31, 2022: 800,000. - Estimated ultimate claims using the Bornhuetter-Ferguson method: 1,133,000. (a) Calculate the expected claim ratio that was used in the Bornhuetter-Ferguson method to estimate ultimate claims. (b) Estimate the ultimate claims for policy year 2021 using the development method