Mielta Corp. has the following account balances at 12/31/X1: (Note: amounts are shown in absolute value) Account Amount Cash $ 15,000 Accounts Receivable 200,000 Allowance for Uncollectible Accounts 10,000 Inventory 100,000 Prepaid Insurance 2,000 Machinery 400,000 Accumulated Depreciation 55,000 Question: What should Mielta report as its total asset's balance on its balance sheet at 12/31/X1?