The books of OINK OINK Co., a video editing company owned by AMPO NALANG. DAAN, and located in KABALO KO St., Brgy. KINSA, GAHIMO City, revealed a total balance of P500,000 for Accounts Receivable: 0-30 Days P200,000; 31-60 Days P150,000; 61-90 Days P120,000; Beyond 90 days, P30,000. The doubtful accounts rates are as follows: 0-30 Days 1%; 31-60 Days 2%; 61-90 5%, Beyond 90 days 10% If Allowance of Doubtful Accounts has a debit balance of P10,000, the total Doubtful Accounts Expense for the year is 24,000 19,000 7,000 4,000