Apex Health Insurance has a retention limit of $ 50,000 for a single policy in the excess of loss risk reinsurance treaty. . Apex Health enters into an excess-of-loss per risk treaty with Geneva Re. Geneva Re agrees to pay all losses exceeding $ 50,000 but only to a maximum of $ 500,000 of the sum insured. If Apex Health has $600,000 loss, how much Apex has to pay? (use an integer number for your answer, such as 123456)